From a4be2b8bb553c11839ef2c93d9be883be5b071a8 Mon Sep 17 00:00:00 2001
From: oneRain <onerain88@gmail.com>
Date: Mon, 19 Apr 2021 16:28:31 +0800
Subject: [PATCH] doc: storage

---
 Storage/Storage.Unity/Public/LCApplication.cs |  15 +++
 Storage/Storage/Public/LCACL.cs               |  90 +++++++++++++++-
 Storage/Storage/Public/LCCloud.cs             |   7 ++
 Storage/Storage/Public/LCFile.cs              |  60 +++++++++++
 .../Storage/Public/LCFollowersAndFollowees.cs |  15 +++
 Storage/Storage/Public/LCFriendship.cs        |  20 ++++
 Storage/Storage/Public/LCFriendshipRequest.cs |   4 +
 Storage/Storage/Public/LCGeoPoint.cs          |  33 ++++++
 Storage/Storage/Public/LCHookObject.cs        |  17 +++
 Storage/Storage/Public/LCObject.cs            | 102 ++++++++++++++++--
 Storage/Storage/Public/LCQuery.cs             |  69 +++++++++++-
 Storage/Storage/Public/LCRelation.cs          |  21 +++-
 Storage/Storage/Public/LCRole.cs              |  13 ++-
 Storage/Storage/Public/LCSMSClient.cs         |   6 ++
 Storage/Storage/Public/LCStatus.cs            |  44 ++++++++
 Storage/Storage/Public/LCStatusCount.cs       |   9 ++
 Storage/Storage/Public/LCStatusQuery.cs       |  20 ++++
 Storage/Storage/Public/LCStorage.cs           |   3 +-
 Storage/Storage/Public/LCUser.cs              |  15 +++
 19 files changed, 544 insertions(+), 19 deletions(-)

diff --git a/Storage/Storage.Unity/Public/LCApplication.cs b/Storage/Storage.Unity/Public/LCApplication.cs
index 56b7287..aa76d2f 100644
--- a/Storage/Storage.Unity/Public/LCApplication.cs
+++ b/Storage/Storage.Unity/Public/LCApplication.cs
@@ -3,7 +3,15 @@ using LeanCloud.Storage;
 using LeanCloud.Storage.Internal.Persistence;
 
 namespace LeanCloud {
+    /// <summary>
+    /// LCApplication contains static functions that handle global configuration
+    /// for LeanCloud services.
+    /// </summary>
     public class LCApplication {
+        /// <summary>
+        /// Whether or not ths SDK using master key.
+        /// Default is false.
+        /// </summary>
         public static bool UseMasterKey {
             get => LCCore.UseMasterKey;
             set {
@@ -11,6 +19,13 @@ namespace LeanCloud {
             }
         }
 
+        /// <summary>
+        /// Initialize LeanCloud services.
+        /// </summary>
+        /// <param name="appId">The application id provided in LeanCloud dashboard.</param>
+        /// <param name="appKey">The application key provided in LeanCloud dashboard.</param>
+        /// <param name="server">The server url bound by yourself.</param>
+        /// <param name="masterKey">The application master key provided in LeanCloud dashboard.</param>
         public static void Initialize(string appId,
             string appKey,
             string server = null,
diff --git a/Storage/Storage/Public/LCACL.cs b/Storage/Storage/Public/LCACL.cs
index 3180eae..f504294 100644
--- a/Storage/Storage/Public/LCACL.cs
+++ b/Storage/Storage/Public/LCACL.cs
@@ -3,21 +3,28 @@ using System.Collections.Generic;
 
 namespace LeanCloud.Storage {
     /// <summary>
-    /// LeanCloud Access Control Lists.
+    /// LCACL is used to control which users and roles can access or modify
+    /// a particular object. Each LCObject can have its own LCObject.
     /// </summary>
     public class LCACL {
         const string PublicKey = "*";
 
         const string RoleKeyPrefix = "role:";
 
-        public Dictionary<string, bool> ReadAccess {
+        internal Dictionary<string, bool> ReadAccess {
             get;
         } = new Dictionary<string, bool>();
 
-        public Dictionary<string, bool> WriteAccess {
+        internal Dictionary<string, bool> WriteAccess {
             get;
         } = new Dictionary<string, bool>();
 
+        /// <summary>
+        /// Creates a LCACL that is allowed to read and write this object
+        /// for the user.
+        /// </summary>
+        /// <param name="owner">The user.</param>
+        /// <returns></returns>
         public static LCACL CreateWithOwner(LCUser owner) {
             if (owner == null) {
                 throw new ArgumentNullException(nameof(owner));
@@ -28,6 +35,9 @@ namespace LeanCloud.Storage {
             return acl;
         }
 
+        /// <summary>
+        /// Gets or sets whether the public is allowed to read this object.
+        /// </summary>
         public bool PublicReadAccess {
             get {
                 return GetAccess(ReadAccess, PublicKey);
@@ -36,6 +46,9 @@ namespace LeanCloud.Storage {
             }
         }
 
+        /// <summary>
+        /// Gets or sets whether the public is allowed to write this object.
+        /// </summary>
         public bool PublicWriteAccess {
             get {
                 return GetAccess(WriteAccess, PublicKey);
@@ -44,6 +57,14 @@ namespace LeanCloud.Storage {
             }
         }
 
+        /// <summary>
+        /// Gets whether the given user id is *explicitly* allowed to read this
+        /// object. Even if this returns false, the user may still be able to read
+        /// it if <see cref="PublicReadAccess"/> is true or a role that the user
+        /// belongs to has read access.
+        /// </summary>
+        /// <param name="userId">The user ObjectId to check.</param>
+        /// <returns></returns>
         public bool GetUserIdReadAccess(string userId) {
             if (string.IsNullOrEmpty(userId)) {
                 throw new ArgumentNullException(nameof(userId));
@@ -51,6 +72,11 @@ namespace LeanCloud.Storage {
             return GetAccess(ReadAccess, userId);
         }
 
+        /// <summary>
+        /// Set whether the given user id is allowed to read this object.
+        /// </summary>
+        /// <param name="userId">The ObjectId of the user.</param>
+        /// <param name="value">Whether the user has permission.</param>
         public void SetUserIdReadAccess(string userId, bool value) {
             if (string.IsNullOrEmpty(userId)) {
                 throw new ArgumentNullException(nameof(userId));
@@ -58,6 +84,13 @@ namespace LeanCloud.Storage {
             SetAccess(ReadAccess, userId, value);
         }
 
+        /// <summary>
+        /// Gets whether the given user id is *explicitly* allowed to write this
+        /// object. Even if this returns false, the user may still be able to write
+        /// it if <see cref="PublicWriteAccess"/> is true or a role that the user
+        /// belongs to has read access.
+        /// </summary>
+        /// <param name="userId">T
         public bool GetUserIdWriteAccess(string userId) {
             if (string.IsNullOrEmpty(userId)) {
                 throw new ArgumentNullException(nameof(userId));
@@ -65,6 +98,11 @@ namespace LeanCloud.Storage {
             return GetAccess(WriteAccess, userId);
         }
 
+        /// <summary>
+        /// Set whether the given user id is allowed to write this object.
+        /// </summary>
+        /// <param name="userId">The ObjectId of the user.</param>
+        /// <param name="value">Whether the user has permission.</param>
         public void SetUserIdWriteAccess(string userId, bool value) {
             if (string.IsNullOrEmpty(userId)) {
                 throw new ArgumentNullException(nameof(userId));
@@ -72,6 +110,14 @@ namespace LeanCloud.Storage {
             SetAccess(WriteAccess, userId, value);
         }
 
+        /// <summary>
+        /// Gets whether the given user is *explicitly* allowed to read this
+        /// object. Even if this returns false, the user may still be able to read
+        /// it if <see cref="PublicReadAccess"/> is true or a role that the user
+        /// belongs to has read access.
+        /// </summary>
+        /// <param name="user">The user to check.</param>
+        /// <returns></returns>
         public bool GetUserReadAccess(LCUser user) {
             if (user == null) {
                 throw new ArgumentNullException(nameof(user));
@@ -79,6 +125,11 @@ namespace LeanCloud.Storage {
             return GetUserIdReadAccess(user.ObjectId);
         }
 
+        /// <summary>
+        /// Set whether the given user is allowed to read this object.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <param name="value">Whether the user has permission.</param>
         public void SetUserReadAccess(LCUser user, bool value) {
             if (user == null) {
                 throw new ArgumentNullException(nameof(user));
@@ -86,6 +137,14 @@ namespace LeanCloud.Storage {
             SetUserIdReadAccess(user.ObjectId, value);
         }
 
+        /// <summary>
+        /// Gets whether the given user is *explicitly* allowed to write this
+        /// object. Even if this returns false, the user may still be able to write
+        /// it if <see cref="PublicReadAccess"/> is true or a role that the user
+        /// belongs to has write access.
+        /// </summary>
+        /// <param name="userId">The user to check.</param>
+        /// <returns></returns>
         public bool GetUserWriteAccess(LCUser user) {
             if (user == null) {
                 throw new ArgumentNullException(nameof(user));
@@ -93,6 +152,11 @@ namespace LeanCloud.Storage {
             return GetUserIdWriteAccess(user.ObjectId);
         }
 
+        /// <summary>
+        /// Set whether the given user is allowed to write this object.
+        /// </summary>
+        /// <param name="user">The user.</param>
+        /// <param name="value">Whether the user has permission.</param>
         public void SetUserWriteAccess(LCUser user, bool value) {
             if (user == null) {
                 throw new ArgumentNullException(nameof(user));
@@ -100,6 +164,11 @@ namespace LeanCloud.Storage {
             SetUserIdWriteAccess(user.ObjectId, value);
         }
 
+        /// <summary>
+        /// Get whether the given role are allowed to read this object.
+        /// </summary>
+        /// <param name="role">The role to check.</param>
+        /// <returns></returns>
         public bool GetRoleReadAccess(LCRole role) {
             if (role == null) {
                 throw new ArgumentNullException(nameof(role));
@@ -108,6 +177,11 @@ namespace LeanCloud.Storage {
             return GetAccess(ReadAccess, roleKey);
         }
 
+        /// <summary>
+        /// Sets whether the given role are allowed to read this object.
+        /// </summary>
+        /// <param name="role">The role.</param>
+        /// <param name="value">Whether the role has access.</param>
         public void SetRoleReadAccess(LCRole role, bool value) {
             if (role == null) {
                 throw new ArgumentNullException(nameof(role));
@@ -116,6 +190,11 @@ namespace LeanCloud.Storage {
             SetAccess(ReadAccess, roleKey, value);
         }
 
+        /// <summary>
+        /// Get whether the given role are allowed to write this object.
+        /// </summary>
+        /// <param name="role">The role to check.</param>
+        /// <returns></returns>
         public bool GetRoleWriteAccess(LCRole role) {
             if (role == null) {
                 throw new ArgumentNullException(nameof(role));
@@ -124,6 +203,11 @@ namespace LeanCloud.Storage {
             return GetAccess(WriteAccess, roleKey);
         }
 
+        /// <summary>
+        /// Sets whether the given role are allowed to write this object.
+        /// </summary>
+        /// <param name="role">The role.</param>
+        /// <param name="value">Whether the role has access.</param>
         public void SetRoleWriteAccess(LCRole role, bool value) {
             if (role == null) {
                 throw new ArgumentNullException(nameof(role));
diff --git a/Storage/Storage/Public/LCCloud.cs b/Storage/Storage/Public/LCCloud.cs
index e957dd4..a5dcb01 100644
--- a/Storage/Storage/Public/LCCloud.cs
+++ b/Storage/Storage/Public/LCCloud.cs
@@ -37,6 +37,13 @@ namespace LeanCloud.Storage {
             return response;
         }
 
+        /// <summary>
+        /// Invokes a cloud function.
+        /// </summary>
+        /// <typeparam name="T">The type of return value.</typeparam>
+        /// <param name="name">Cloud function name.</param>
+        /// <param name="parameters">Parameters of cloud function.</param>
+        /// <returns></returns>
         public static async Task<T> Run<T>(string name,
             Dictionary<string, object> parameters = null) {
             Dictionary<string, object> response = await Run(name, parameters);
diff --git a/Storage/Storage/Public/LCFile.cs b/Storage/Storage/Public/LCFile.cs
index 01cabc4..94607d6 100644
--- a/Storage/Storage/Public/LCFile.cs
+++ b/Storage/Storage/Public/LCFile.cs
@@ -7,9 +7,15 @@ using LeanCloud.Storage.Internal.File;
 using LeanCloud.Storage.Internal.Object;
 
 namespace LeanCloud.Storage {
+    /// <summary>
+    /// LCFile is a local representation of a file that is saved to LeanCloud.
+    /// </summary>
     public class LCFile : LCObject {
         public const string CLASS_NAME = "_File";
 
+        /// <summary>
+        /// Gets the name of the file.
+        /// </summary>
         public string Name {
             get {
                 return this["name"] as string;
@@ -18,6 +24,9 @@ namespace LeanCloud.Storage {
             }
         }
 
+        /// <summary>
+        /// Gets the MIME type of the file.
+        /// </summary>
         public string MimeType {
             get {
                 return this["mime_type"] as string;
@@ -26,6 +35,9 @@ namespace LeanCloud.Storage {
             }
         }
 
+        /// <summary>
+        /// Gets the url of the file.
+        /// </summary>
         public string Url {
             get {
                 return this["url"] as string;
@@ -34,6 +46,9 @@ namespace LeanCloud.Storage {
             }
         }
 
+        /// <summary>
+        /// Gets the metadata of the file.
+        /// </summary>
         public Dictionary<string, object> MetaData {
             get {
                 return this["metaData"] as Dictionary<string, object>;
@@ -44,30 +59,58 @@ namespace LeanCloud.Storage {
 
         readonly Stream stream;
 
+        /// <summary>
+        /// Creates a new file.
+        /// </summary>
         public LCFile() : base(CLASS_NAME) {
             MetaData = new Dictionary<string, object>();
         }
 
+        /// <summary>
+        /// Creates a new file from a byte array and a name.
+        /// </summary>
+        /// <param name="name"></param>
+        /// <param name="bytes"></param>
         public LCFile(string name, byte[] bytes) : this() {
             Name = name;
             stream = new MemoryStream(bytes);
         }
 
+        /// <summary>
+        /// Creates a new file from a local file and a name.
+        /// </summary>
+        /// <param name="name"></param>
+        /// <param name="path"></param>
         public LCFile(string name, string path) : this() {
             Name = name;
             MimeType = LCMimeTypeMap.GetMimeType(path);
             stream = new FileStream(path, FileMode.Open);
         }
 
+        /// <summary>
+        /// Creates a new file from an url and a name.
+        /// </summary>
+        /// <param name="name"></param>
+        /// <param name="url"></param>
         public LCFile(string name, Uri url) : this() {
             Name = name;
             Url = url.AbsoluteUri;
         }
 
+        /// <summary>
+        /// Add metadata.
+        /// </summary>
+        /// <param name="key"></param>
+        /// <param name="value"></param>
         public void AddMetaData(string key, object value) {
             MetaData[key] = value;
         }
 
+        /// <summary>
+        /// Saves the file to LeanCloud.
+        /// </summary>
+        /// <param name="onProgress"></param>
+        /// <returns></returns>
         public async Task<LCFile> Save(Action<long, long> onProgress = null) {
             if (!string.IsNullOrEmpty(Url)) {
                 // 外链方式
@@ -108,6 +151,10 @@ namespace LeanCloud.Storage {
             return this;
         }
 
+        /// <summary>
+        /// Deletes the file from LeanCloud.
+        /// </summary>
+        /// <returns></returns>
         public new async Task Delete() {
             if (string.IsNullOrEmpty(ObjectId)) {
                 return;
@@ -116,6 +163,15 @@ namespace LeanCloud.Storage {
             await LCCore.HttpClient.Delete(path);
         }
 
+        /// <summary>
+        /// Gets the thumbnail url of image file.
+        /// </summary>
+        /// <param name="width"></param>
+        /// <param name="height"></param>
+        /// <param name="quality"></param>
+        /// <param name="scaleToFit"></param>
+        /// <param name="format"></param>
+        /// <returns></returns>
         public string GetThumbnailUrl(int width, int height, int quality = 100, bool scaleToFit = true, string format = "png") {
             int mode = scaleToFit ? 2 : 1;
             return $"{Url}?imageView/{mode}/w/{width}/h/{height}/q/{quality}/format/{format}";
@@ -132,6 +188,10 @@ namespace LeanCloud.Storage {
             return await LCCore.HttpClient.Post<Dictionary<string, object>>("fileTokens", data: data);
         }
 
+        /// <summary>
+        /// Gets LCQuery of LCFile.
+        /// </summary>
+        /// <returns></returns>
         public static LCQuery<LCFile> GetQuery() {
             return new LCQuery<LCFile>(CLASS_NAME);
         }
diff --git a/Storage/Storage/Public/LCFollowersAndFollowees.cs b/Storage/Storage/Public/LCFollowersAndFollowees.cs
index 3677490..33885a3 100644
--- a/Storage/Storage/Public/LCFollowersAndFollowees.cs
+++ b/Storage/Storage/Public/LCFollowersAndFollowees.cs
@@ -1,19 +1,34 @@
 using System.Collections.Generic;
 
 namespace LeanCloud.Storage {
+    /// <summary>
+    /// LCFollowersAndFollowees is a result that contains followers and followees.
+    /// </summary>
     public class LCFollowersAndFollowees {
+        /// <summary>
+        /// The followers.
+        /// </summary>
         public List<LCObject> Followers {
             get; internal set;
         }
 
+        /// <summary>
+        /// The followees.
+        /// </summary>
         public List<LCObject> Followees {
             get; internal set;
         }
 
+        /// <summary>
+        /// The count of followers.
+        /// </summary>
         public int FollowersCount {
             get; internal set;
         }
 
+        /// <summary>
+        /// The count of followees.
+        /// </summary>
         public int FolloweesCount {
             get; internal set;
         }
diff --git a/Storage/Storage/Public/LCFriendship.cs b/Storage/Storage/Public/LCFriendship.cs
index d128d84..191a701 100644
--- a/Storage/Storage/Public/LCFriendship.cs
+++ b/Storage/Storage/Public/LCFriendship.cs
@@ -5,7 +5,16 @@ using LeanCloud.Common;
 using LeanCloud.Storage.Internal.Codec;
 
 namespace LeanCloud.Storage {
+    /// <summary>
+    /// LCFriendship contains static functions that handle the friendship of LeanCloud.
+    /// </summary>
     public static class LCFriendship {
+        /// <summary>
+        /// Requests to add friend.
+        /// </summary>
+        /// <param name="userId">The user id to add.</param>
+        /// <param name="attributes">The additional attributes for the friendship.</param>
+        /// <returns></returns>
         public static async Task Request(string userId, Dictionary<string, object> attributes = null) {
             LCUser user = await LCUser.GetCurrent();
             if (user == null) {
@@ -23,6 +32,12 @@ namespace LeanCloud.Storage {
             await LCCore.HttpClient.Post<Dictionary<string, object>>(path, data: data);
         }
 
+        /// <summary>
+        /// Accepts the request of add friend.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        /// <param name="attributes">The additional attributes for the friendship.</param>
+        /// <returns></returns>
         public static async Task AcceptRequest(LCFriendshipRequest request, Dictionary<string, object> attributes = null) {
             if (request == null) {
                 throw new ArgumentNullException(nameof(request));
@@ -37,6 +52,11 @@ namespace LeanCloud.Storage {
             await LCCore.HttpClient.Put<Dictionary<string, object>>(path, data: data);
         }
 
+        /// <summary>
+        /// Declines the request of add friend.
+        /// </summary>
+        /// <param name="request">The request.</param>
+        /// <returns></returns>
         public static async Task DeclineRequest(LCFriendshipRequest request) {
             if (request == null) {
                 throw new ArgumentNullException(nameof(request));
diff --git a/Storage/Storage/Public/LCFriendshipRequest.cs b/Storage/Storage/Public/LCFriendshipRequest.cs
index 6306a62..0dddfc3 100644
--- a/Storage/Storage/Public/LCFriendshipRequest.cs
+++ b/Storage/Storage/Public/LCFriendshipRequest.cs
@@ -1,4 +1,8 @@
 namespace LeanCloud.Storage {
+    /// <summary>
+    /// LCFriendshipRequest is a local representation of a friend request that
+    /// is saved to LeanCloud.
+    /// </summary>
     public class LCFriendshipRequest : LCObject {
         public const string CLASS_NAME = "_FriendshipRequest";
 
diff --git a/Storage/Storage/Public/LCGeoPoint.cs b/Storage/Storage/Public/LCGeoPoint.cs
index 1cb3f44..58ca7a9 100644
--- a/Storage/Storage/Public/LCGeoPoint.cs
+++ b/Storage/Storage/Public/LCGeoPoint.cs
@@ -1,26 +1,49 @@
 using System;
 
 namespace LeanCloud.Storage {
+    /// <summary>
+    /// LCGeoPoint represents a latitude and longitude point that may be associated
+    /// with a key in a LCObject or used as a reference point for queries.
+    /// </summary>
     public class LCGeoPoint {
+        /// <summary>
+        /// Gets the latitude of the LCGeoPoint.
+        /// </summary>
         public double Latitude {
             get;
         }
 
+        /// <summary>
+        /// Gets the longitude of the LCGeoPoint.
+        /// </summary>
         public double Longitude {
             get;
         }
 
+        /// <summary>
+        /// Constructs a LCGeoPoint with the specified latitude and longitude.
+        /// </summary>
+        /// <param name="latitude"></param>
+        /// <param name="longtitude"></param>
         public LCGeoPoint(double latitude, double longtitude) {
             Latitude = latitude;
             Longitude = longtitude;
         }
 
+        /// <summary>
+        /// The original LCGeoPoint.
+        /// </summary>
         public static LCGeoPoint Origin {
             get {
                 return new LCGeoPoint(0, 0);
             }
         }
 
+        /// <summary>
+        /// Calculate the distance in kilometer between this point and another GeoPoint.
+        /// </summary>
+        /// <param name="point"></param>
+        /// <returns></returns>
         public double KilometersTo(LCGeoPoint point) {
             if (point == null) {
                 throw new ArgumentNullException(nameof(point));
@@ -28,6 +51,11 @@ namespace LeanCloud.Storage {
             return RadiansTo(point) * 6371.0;
         }
 
+        /// <summary>
+        /// Calculate the distance in mile between this point and another GeoPoint.
+        /// </summary>
+        /// <param name="point"></param>
+        /// <returns></returns>
         public double MilesTo(LCGeoPoint point) {
             if (point == null) {
                 throw new ArgumentNullException(nameof(point));
@@ -35,6 +63,11 @@ namespace LeanCloud.Storage {
             return RadiansTo(point) * 3958.8;
         }
 
+        /// <summary>
+        /// Calculate the distance in radians between this point and another GeoPoint.
+        /// </summary>
+        /// <param name="point"></param>
+        /// <returns></returns>
         public double RadiansTo(LCGeoPoint point) {
             if (point == null) {
                 throw new ArgumentNullException(nameof(point));
diff --git a/Storage/Storage/Public/LCHookObject.cs b/Storage/Storage/Public/LCHookObject.cs
index afb8568..62b0f2a 100644
--- a/Storage/Storage/Public/LCHookObject.cs
+++ b/Storage/Storage/Public/LCHookObject.cs
@@ -5,6 +5,9 @@ using System.Linq;
 using LeanCloud.Storage.Internal.Operation;
 
 namespace LeanCloud.Storage {
+    /// <summary>
+    /// LCClassHook represents the hooks for saving / updating / deleting LCObject.
+    /// </summary>
     public static class LCClassHook {
         public const string BeforeSave = "beforeSave";
         public const string AfterSave = "afterSave";
@@ -17,6 +20,9 @@ namespace LeanCloud.Storage {
     public partial class LCObject {
         internal const string IgnoreHooksKey = "__ignore_hooks";
 
+        /// <summary>
+        /// Disable to hook before saving / updating / deleting LCObject.
+        /// </summary>
         public void DisableBeforeHook() {
             Ignore(
                 LCClassHook.BeforeSave,
@@ -24,6 +30,9 @@ namespace LeanCloud.Storage {
                 LCClassHook.BeforeDelete);
         }
 
+        /// <summary>
+        /// Disable to hook after saving / updating / deleting LCObject.
+        /// </summary>
         public void DisableAfterHook() {
             Ignore(
                 LCClassHook.AfterSave,
@@ -31,6 +40,10 @@ namespace LeanCloud.Storage {
                 LCClassHook.AfterDelete);
         }
 
+        /// <summary>
+        /// Ignores the hook for this LCObject.
+        /// </summary>
+        /// <param name="hookName"></param>
         public void IgnoreHook(string hookName) {
             if (hookName != LCClassHook.BeforeSave && hookName != LCClassHook.AfterSave &&
                 hookName != LCClassHook.BeforeUpdate && hookName != LCClassHook.AfterUpdate &&
@@ -46,6 +59,10 @@ namespace LeanCloud.Storage {
             ApplyOperation(IgnoreHooksKey, op);
         }
 
+        /// <summary>
+        /// Gets the updated keys of this LCObject.
+        /// </summary>
+        /// <returns></returns>
         public ReadOnlyCollection<string> GetUpdatedKeys() {
             if (this["_updatedKeys"] == null) {
                 return null;
diff --git a/Storage/Storage/Public/LCObject.cs b/Storage/Storage/Public/LCObject.cs
index 0b2398c..8aa072e 100644
--- a/Storage/Storage/Public/LCObject.cs
+++ b/Storage/Storage/Public/LCObject.cs
@@ -11,51 +11,60 @@ using LeanCloud.Storage.Internal.Codec;
 
 namespace LeanCloud.Storage {
     /// <summary>
-    /// LeanCloud Object
+    /// The LCObject is a local representation of data that can be saved and
+    /// retrieved from the LeanCloud.
     /// </summary>
     public partial class LCObject {
-        /// <summary>
-        /// Last synced data.
-        /// </summary>
         internal LCObjectData data;
 
-        /// <summary>
-        /// Estimated data.
-        /// </summary>
         internal Dictionary<string, object> estimatedData;
 
-        /// <summary>
-        /// Operations.
-        /// </summary>
         internal Dictionary<string, ILCOperation> operationDict;
 
         static readonly Dictionary<Type, LCSubclassInfo> subclassTypeDict = new Dictionary<Type, LCSubclassInfo>();
         static readonly Dictionary<string, LCSubclassInfo> subclassNameDict = new Dictionary<string, LCSubclassInfo>();
 
+        /// <summary>
+        /// Gets the class name for the LCObject.
+        /// </summary>
         public string ClassName {
             get {
                 return data.ClassName;
             }
         }
 
+        /// <summary>
+        /// Gets the object id. An object id is assigned as son as an object is
+        /// saved to the server. The combination of a <see cref="ClassName"/> and
+        /// an <see cref="ObjectId"/> uniquely identifies an object in your application.
+        /// </summary>
         public string ObjectId {
             get {
                 return data.ObjectId;
             }
         }
 
+        /// <summary>
+        /// Gets the first time of this object was saved the server.
+        /// </summary>
         public DateTime CreatedAt {
             get {
                 return data.CreatedAt;
             }
         }
 
+        /// <summary>
+        /// Gets the last time of this object was updated the server.
+        /// </summary>
         public DateTime UpdatedAt {
             get {
                 return data.UpdatedAt;
             }
         }
 
+        /// <summary>
+        /// Gets or sets the LCACL governing this object.
+        /// </summary>
         public LCACL ACL {
             get {
                 return this["ACL"] as LCACL ;
@@ -72,6 +81,12 @@ namespace LeanCloud.Storage {
             }
         }
 
+        /// <summary>
+        /// Constructs a new LCObject with no data in it. A LCObject constructed
+        /// in this way will not have an ObjectedId and will not persist to database
+        /// until <see cref="Save(bool, LCQuery{LCObject}))"/> is called.
+        /// </summary>
+        /// <param name="className">The className for the LCObject.</param>
         public LCObject(string className) {
             if (string.IsNullOrEmpty(className)) {
                 throw new ArgumentNullException(nameof(className));
@@ -84,6 +99,13 @@ namespace LeanCloud.Storage {
             isNew = true;
         }
 
+        /// <summary>
+        /// Creates a reference to an existing LCObject for use in creating
+        /// associations between LCObjects.
+        /// </summary>
+        /// <param name="className">The className for the LCObject.</param>
+        /// <param name="objectId">The object id for the LCObject.</param>
+        /// <returns></returns>
         public static LCObject CreateWithoutData(string className, string objectId) {
             if (string.IsNullOrEmpty(objectId)) {
                 throw new ArgumentNullException(nameof(objectId));
@@ -94,6 +116,12 @@ namespace LeanCloud.Storage {
             return obj;
         }
 
+        /// <summary>
+        /// Creates a reference to an existing LCObject for use in creating
+        /// associations between LCObjects.
+        /// </summary>
+        /// <param name="className">The className for the LCObject.</param>
+        /// <returns></returns>
         public static LCObject Create(string className) {
             if (subclassNameDict.TryGetValue(className, out LCSubclassInfo subclassInfo)) {
                 return subclassInfo.Constructor.Invoke();
@@ -108,6 +136,12 @@ namespace LeanCloud.Storage {
             return null;
         }
 
+        /// <summary>
+        /// Gets or sets a value on the object. It is forbidden to name keys
+        /// with '_'.
+        /// </summary>
+        /// <param name="key">The value for key.</param>
+        /// <returns></returns>
         public object this[string key] {
             get {
                 if (estimatedData.TryGetValue(key, out object value)) {
@@ -148,6 +182,11 @@ namespace LeanCloud.Storage {
         }
 
 
+        /// <summary>
+        /// Creates a <see cref="LCRelation{T}"/> value for a key.
+        /// </summary>
+        /// <param name="key"></param>
+        /// <param name="value"></param>
         public void AddRelation(string key, LCObject value) {
             if (string.IsNullOrEmpty(key)) {
                 throw new ArgumentNullException(nameof(key));
@@ -159,6 +198,11 @@ namespace LeanCloud.Storage {
             ApplyOperation(key, op);
         }
 
+        /// <summary>
+        /// Removes a <see cref="LCRelation{T}"/> value for a key.
+        /// </summary>
+        /// <param name="key"></param>
+        /// <param name="value"></param>
         public void RemoveRelation(string key, LCObject value) {
             if (string.IsNullOrEmpty(key)) {
                 throw new ArgumentNullException(nameof(key));
@@ -324,6 +368,12 @@ namespace LeanCloud.Storage {
             }
         }
 
+        /// <summary>
+        /// Saves this object to the server.
+        /// </summary>
+        /// <param name="fetchWhenSave">Whether or not fetch data when saved.</param>
+        /// <param name="query">The condition for saving.</param>
+        /// <returns></returns>
         public async Task<LCObject> Save(bool fetchWhenSave = false, LCQuery<LCObject> query = null) {
             if (LCBatch.HasCircleReference(this, new HashSet<LCObject>())) {
                 throw new ArgumentException("Found a circle dependency when save.");
@@ -350,6 +400,11 @@ namespace LeanCloud.Storage {
             return this;
         }
 
+        /// <summary>
+        /// Saves each object in the provided list.
+        /// </summary>
+        /// <param name="objects">The objects to save.</param>
+        /// <returns></returns>
         public static async Task<List<LCObject>> SaveAll(IEnumerable<LCObject> objects) {
             if (objects == null) {
                 throw new ArgumentNullException(nameof(objects));
@@ -364,6 +419,10 @@ namespace LeanCloud.Storage {
             return objects.ToList();
         }
 
+        /// <summary>
+        /// Deletes this object on the server.
+        /// </summary>
+        /// <returns></returns>
         public async Task Delete() {
             if (ObjectId == null) {
                 return;
@@ -372,6 +431,11 @@ namespace LeanCloud.Storage {
             await LCCore.HttpClient.Delete(path);
         }
 
+        /// <summary>
+        /// Deletes each object in the provided list.
+        /// </summary>
+        /// <param name="objects"></param>
+        /// <returns></returns>
         public static async Task DeleteAll(IEnumerable<LCObject> objects) {
             if (objects == null || objects.Count() == 0) {
                 throw new ArgumentNullException(nameof(objects));
@@ -390,6 +454,12 @@ namespace LeanCloud.Storage {
             await LCCore.HttpClient.Post<List<object>>("batch", data: data);
         }
 
+        /// <summary>
+        /// Fetches this object from server.
+        /// </summary>
+        /// <param name="keys">The keys for fetching.</param>
+        /// <param name="includes">The include keys for fetching.</param>
+        /// <returns></returns>
         public async Task<LCObject> Fetch(IEnumerable<string> keys = null, IEnumerable<string> includes = null) {
             Dictionary<string, object> queryParams = new Dictionary<string, object>();
             if (keys != null) {
@@ -405,6 +475,11 @@ namespace LeanCloud.Storage {
             return this;
         }
 
+        /// <summary>
+        /// Fetches all of the objects in the provided list.
+        /// </summary>
+        /// <param name="objects">The objects for fetching.</param>
+        /// <returns></returns>
         public static async Task<IEnumerable<LCObject>> FetchAll(IEnumerable<LCObject> objects) {
             if (objects == null || objects.Count() == 0) {
                 throw new ArgumentNullException(nameof(objects));
@@ -442,6 +517,13 @@ namespace LeanCloud.Storage {
             return objects;
         }
 
+        /// <summary>
+        /// Registers a custom subclass type with LeanCloud SDK, enabling strong-typing
+        /// of those LCObjects whenever they appear.
+        /// </summary>
+        /// <typeparam name="T">The LCObject subclass type to register.</typeparam>
+        /// <param name="className">The className on server.</param>
+        /// <param name="constructor">The constructor for creating an object.</param>
         public static void RegisterSubclass<T>(string className, Func<T> constructor) where T : LCObject {
             Type classType = typeof(T);
             LCSubclassInfo subclassInfo = new LCSubclassInfo(className, classType, constructor);
diff --git a/Storage/Storage/Public/LCQuery.cs b/Storage/Storage/Public/LCQuery.cs
index 5e37364..2cacc61 100644
--- a/Storage/Storage/Public/LCQuery.cs
+++ b/Storage/Storage/Public/LCQuery.cs
@@ -9,7 +9,13 @@ using LeanCloud.Storage.Internal.Query;
 using LeanCloud.Storage.Internal.Object;
 
 namespace LeanCloud.Storage {
+    /// <summary>
+    /// The LCQuery class defines a query that is used to fetch LCObjects.
+    /// </summary>
     public class LCQuery {
+        /// <summary>
+        /// The classname of this query.
+        /// </summary>
         public string ClassName {
             get; internal set;
         }
@@ -18,6 +24,10 @@ namespace LeanCloud.Storage {
             get; internal set;
         }
 
+        /// <summary>
+        /// Constructs a LCQuery for class.
+        /// </summary>
+        /// <param name="className"></param>
         public LCQuery(string className) {
             ClassName = className;
             Condition = new LCCompositionalCondition();
@@ -172,16 +182,35 @@ namespace LeanCloud.Storage {
             return this;
         }
 
+        /// <summary>
+        /// The value corresponding to key is near the point.
+        /// </summary>
+        /// <param name="key"></param>
+        /// <param name="point"></param>
+        /// <returns></returns>
         public LCQuery<T> WhereNear(string key, LCGeoPoint point) {
             Condition.WhereNear(key, point);
             return this;
         }
 
+        /// <summary>
+        /// The value corresponding to key is in the given rectangular geographic bounding box.
+        /// </summary>
+        /// <param name="key"></param>
+        /// <param name="southwest"></param>
+        /// <param name="northeast"></param>
+        /// <returns></returns>
         public LCQuery<T> WhereWithinGeoBox(string key, LCGeoPoint southwest, LCGeoPoint northeast) {
             Condition.WhereWithinGeoBox(key, southwest, northeast);
             return this;
         }
 
+        /// <summary>
+        ///  The value corresponding to key is related to the parent.
+        /// </summary>
+        /// <param name="parent"></param>
+        /// <param name="key"></param>
+        /// <returns></returns>
         public LCQuery<T> WhereRelatedTo(LCObject parent, string key) {
             Condition.WhereRelatedTo(parent, key);
             return this;
@@ -255,13 +284,21 @@ namespace LeanCloud.Storage {
             return this;
         }
 
-
+        /// <summary>
+        /// Sorts the results in ascending order by the given key.
+        /// </summary>
+        /// <param name="key"></param>
+        /// <returns></returns>
         public LCQuery<T> OrderByAscending(string key) {
             Condition.OrderByAscending(key);
             return this;
         }
 
-
+        /// <summary>
+        /// Sorts the results in descending order by the given key.
+        /// </summary>
+        /// <param name="key"></param>
+        /// <returns></returns>
         public LCQuery<T> OrderByDescending(string key) {
             Condition.OrderByDescending(key);
             return this;
@@ -338,6 +375,10 @@ namespace LeanCloud.Storage {
             return this;
         }
 
+        /// <summary>
+        /// Counts the number of objects that match this query.
+        /// </summary>
+        /// <returns></returns>
         public async Task<int> Count() {
             string path = $"classes/{ClassName}";
             Dictionary<string, object> parameters = BuildParams();
@@ -347,6 +388,12 @@ namespace LeanCloud.Storage {
             return (int)ret["count"];
         }
 
+        /// <summary>
+        /// Constructs a LCObject whose id is already known by fetching data
+        /// from the server.
+        /// </summary>
+        /// <param name="objectId"></param>
+        /// <returns></returns>
         public async Task<T> Get(string objectId) {
             if (string.IsNullOrEmpty(objectId)) {
                 throw new ArgumentNullException(nameof(objectId));
@@ -363,6 +410,10 @@ namespace LeanCloud.Storage {
             return DecodeLCObject(response);
         }
 
+        /// <summary>
+        /// Retrieves a list of LCObjects that satisfy the query from Server.
+        /// </summary>
+        /// <returns></returns>
         public async Task<ReadOnlyCollection<T>> Find() {
             string path = $"classes/{ClassName}";
             Dictionary<string, object> parameters = BuildParams();
@@ -376,6 +427,10 @@ namespace LeanCloud.Storage {
             return list.AsReadOnly();
         }
 
+        /// <summary>
+        /// Retrieves at most one LCObject that satisfies this query.
+        /// </summary>
+        /// <returns></returns>
         public async Task<T> First() {
             Limit(1);
             ReadOnlyCollection<T> results = await Find();
@@ -385,6 +440,11 @@ namespace LeanCloud.Storage {
             return null;
         }
 
+        /// <summary>
+        /// Constructs a query that is the and of the given queries.
+        /// </summary>
+        /// <param name="queries"></param>
+        /// <returns></returns>
         public static LCQuery<T> And(IEnumerable<LCQuery<T>> queries) {
             if (queries == null || queries.Count() < 1) {
                 throw new ArgumentNullException(nameof(queries));
@@ -402,6 +462,11 @@ namespace LeanCloud.Storage {
             return compositionQuery;
         }
 
+        /// <summary>
+        /// Constructs a query that is the or of the given queries.
+        /// </summary>
+        /// <param name="queries"></param>
+        /// <returns></returns>
         public static LCQuery<T> Or(IEnumerable<LCQuery<T>> queries) {
             if (queries == null || queries.Count() < 1) {
                 throw new ArgumentNullException(nameof(queries));
diff --git a/Storage/Storage/Public/LCRelation.cs b/Storage/Storage/Public/LCRelation.cs
index bc989ef..cfeb47a 100644
--- a/Storage/Storage/Public/LCRelation.cs
+++ b/Storage/Storage/Public/LCRelation.cs
@@ -1,21 +1,40 @@
 namespace LeanCloud.Storage {
-
+    /// <summary>
+    /// LCRelation provides access to all of the children of a many-to-many
+    /// relationship.
+    /// </summary>
+    /// <typeparam name="T">The type of the child objects.</typeparam>
     public class LCRelation<T> where T : LCObject {
+        /// <summary>
+        /// The key of this LCRelation.
+        /// </summary>
         public string Key {
             get; set;
         }
 
+        /// <summary>
+        /// The parent of this LCRelation.
+        /// </summary>
         public LCObject Parent {
             get; set;
         }
 
+        /// <summary>
+        /// The className of this LCRelation.
+        /// </summary>
         public string TargetClass {
             get; set;
         }
 
+        /// <summary>
+        /// Constructs a LCRelation.
+        /// </summary>
         public LCRelation() {
         }
 
+        /// <summary>
+        /// Gets a query that can be used to query the objects in this relation.
+        /// </summary>
         public LCQuery<T> Query {
             get {
                 LCQuery<T> query = new LCQuery<T>(TargetClass);
diff --git a/Storage/Storage/Public/LCRole.cs b/Storage/Storage/Public/LCRole.cs
index 49d949c..d3e6ce8 100644
--- a/Storage/Storage/Public/LCRole.cs
+++ b/Storage/Storage/Public/LCRole.cs
@@ -5,7 +5,9 @@
     public class LCRole : LCObject {
         public const string CLASS_NAME = "_Role";
 
-
+        /// <summary>
+        /// The name of LCRole.
+        /// </summary>
         public string Name {
             get {
                 return this["name"] as string;
@@ -40,9 +42,18 @@
             }
         }
 
+        /// <summary>
+        /// Constructs a LCRole.
+        /// </summary>
         public LCRole() : base(CLASS_NAME) {
         }
 
+        /// <summary>
+        /// Constructs a LCRole with a name and a LCACL.
+        /// </summary>
+        /// <param name="name"></param>
+        /// <param name="acl"></param>
+        /// <returns></returns>
         public static LCRole Create(string name, LCACL acl) {
             LCRole role = new LCRole() {
                 Name = name,
diff --git a/Storage/Storage/Public/LCSMSClient.cs b/Storage/Storage/Public/LCSMSClient.cs
index 8f6e9ca..aa85503 100644
--- a/Storage/Storage/Public/LCSMSClient.cs
+++ b/Storage/Storage/Public/LCSMSClient.cs
@@ -61,6 +61,12 @@ namespace LeanCloud.Storage {
             await LCCore.HttpClient.Post<Dictionary<string, object>>(path, data: data);
         }
 
+        /// <summary>
+        /// Verifies the mobile number with the verification code.
+        /// </summary>
+        /// <param name="mobile"></param>
+        /// <param name="code"></param>
+        /// <returns></returns>
         public static async Task VerifyMobilePhone(string mobile, string code) {
             string path = $"verifySmsCode/{code}";
             Dictionary<string, object> data = new Dictionary<string, object> {
diff --git a/Storage/Storage/Public/LCStatus.cs b/Storage/Storage/Public/LCStatus.cs
index 12f166c..e2f5942 100644
--- a/Storage/Storage/Public/LCStatus.cs
+++ b/Storage/Storage/Public/LCStatus.cs
@@ -7,6 +7,9 @@ using LeanCloud.Storage.Internal.Object;
 using LC.Newtonsoft.Json;
 
 namespace LeanCloud.Storage {
+    /// <summary>
+    /// LCStatus is a local representation of a status in LeanCloud.
+    /// </summary>
     public class LCStatus : LCObject {
         public const string CLASS_NAME = "_Status";
 
@@ -22,25 +25,42 @@ namespace LeanCloud.Storage {
         public const string OwnerKey = "owner";
         public const string MessageIdKey = "messageId";
 
+        /// <summary>
+        /// The id of this status.
+        /// </summary>
         public int MessageId {
             get; internal set;
         }
 
+        /// <summary>
+        /// The inboxType of this status.
+        /// </summary>
         public string InboxType {
             get; internal set;
         }
 
         private LCQuery query;
 
+        /// <summary>
+        /// The data of this status.
+        /// </summary>
         public Dictionary<string, object> Data {
             get; set;
         }
 
+        /// <summary>
+        /// Constructs a LCStatus.
+        /// </summary>
         public LCStatus() : base(CLASS_NAME) {
             InboxType = InboxTypeDefault;
             Data = new Dictionary<string, object>();
         }
 
+        /// <summary>
+        /// Sends the status to the followers of this user.
+        /// </summary>
+        /// <param name="status"></param>
+        /// <returns></returns>
         public static async Task<LCStatus> SendToFollowers(LCStatus status) {
             if (status == null) {
                 throw new ArgumentNullException(nameof(status));
@@ -62,6 +82,12 @@ namespace LeanCloud.Storage {
             return await status.Send();
         }
 
+        /// <summary>
+        /// Sends the status to the user with targetId privatedly.
+        /// </summary>
+        /// <param name="status"></param>
+        /// <param name="targetId"></param>
+        /// <returns></returns>
         public static async Task<LCStatus> SendPrivately(LCStatus status, string targetId) {
             if (status == null) {
                 throw new ArgumentNullException(nameof(status));
@@ -84,6 +110,10 @@ namespace LeanCloud.Storage {
             return await status.Send();
         }
 
+        /// <summary>
+        /// Send this status.
+        /// </summary>
+        /// <returns></returns>
         public async Task<LCStatus> Send() {
             LCUser user = await LCUser.GetCurrent();
             if (user == null) {
@@ -118,6 +148,10 @@ namespace LeanCloud.Storage {
             return this;
         }
 
+        /// <summary>
+        /// Deletes this status.
+        /// </summary>
+        /// <returns></returns>
         public new async Task Delete() {
             LCUser user = await LCUser.GetCurrent();
             if (user == null) {
@@ -137,6 +171,11 @@ namespace LeanCloud.Storage {
             }
         }
 
+        /// <summary>
+        /// Gets the count of the status with inboxType.
+        /// </summary>
+        /// <param name="inboxType"></param>
+        /// <returns></returns>
         public static async Task<LCStatusCount> GetCount(string inboxType) {
             LCUser user = await LCUser.GetCurrent();
             if (user == null) {
@@ -158,6 +197,11 @@ namespace LeanCloud.Storage {
             return statusCount;
         }
 
+        /// <summary>
+        /// Reset the count of the status to be zero.
+        /// </summary>
+        /// <param name="inboxType"></param>
+        /// <returns></returns>
         public static async Task ResetUnreadCount(string inboxType = null) {
             LCUser user = await LCUser.GetCurrent();
             if (user == null) {
diff --git a/Storage/Storage/Public/LCStatusCount.cs b/Storage/Storage/Public/LCStatusCount.cs
index 56ce6b4..763ada3 100644
--- a/Storage/Storage/Public/LCStatusCount.cs
+++ b/Storage/Storage/Public/LCStatusCount.cs
@@ -1,9 +1,18 @@
 namespace LeanCloud.Storage {
+    /// <summary>
+    /// LCStatusCount is a result that contains the count of status.
+    /// </summary>
     public class LCStatusCount {
+        /// <summary>
+        /// The total count.
+        /// </summary>
         public int Total {
             get; set;
         }
 
+        /// <summary>
+        /// The unread count.
+        /// </summary>
         public int Unread {
             get; set;
         }
diff --git a/Storage/Storage/Public/LCStatusQuery.cs b/Storage/Storage/Public/LCStatusQuery.cs
index b3de9c5..510212d 100644
--- a/Storage/Storage/Public/LCStatusQuery.cs
+++ b/Storage/Storage/Public/LCStatusQuery.cs
@@ -9,25 +9,45 @@ using LeanCloud.Storage.Internal.Codec;
 using LeanCloud.Storage.Internal.Object;
 
 namespace LeanCloud.Storage {
+    /// <summary>
+    /// LCStatusQuery is the query of LCStatus.
+    /// </summary>
     public class LCStatusQuery : LCQuery<LCStatus> {
+        /// <summary>
+        /// The inboxType for query.
+        /// </summary>
         public string InboxType {
             get; set;
         }
 
+        /// <summary>
+        /// The id since the query.
+        /// </summary>
         public int SinceId {
             get; set;
         }
 
+        /// <summary>
+        /// The max id for the query.
+        /// </summary>
         public int MaxId {
             get; set;
         }
 
+        /// <summary>
+        /// Constructs a LCStatusQuery with inboxType.
+        /// </summary>
+        /// <param name="inboxType"></param>
         public LCStatusQuery(string inboxType = LCStatus.InboxTypeDefault) : base("_Status") {
             InboxType = inboxType;
             SinceId = 0;
             MaxId = 0;
         }
 
+        /// <summary>
+        /// Retrieves a list of LCStatus that satisfy the query from Server.
+        /// </summary>
+        /// <returns></returns>
         public new async Task<ReadOnlyCollection<LCStatus>> Find() {
             LCUser user = await LCUser.GetCurrent();
             if (user == null) {
diff --git a/Storage/Storage/Public/LCStorage.cs b/Storage/Storage/Public/LCStorage.cs
index 9b5635d..0ba1102 100644
--- a/Storage/Storage/Public/LCStorage.cs
+++ b/Storage/Storage/Public/LCStorage.cs
@@ -1,5 +1,4 @@
-using System;
-using LeanCloud.Common;
+using LeanCloud.Common;
 
 namespace LeanCloud.Storage {
     public class LCStorage {
diff --git a/Storage/Storage/Public/LCUser.cs b/Storage/Storage/Public/LCUser.cs
index cf03635..09ff403 100644
--- a/Storage/Storage/Public/LCUser.cs
+++ b/Storage/Storage/Public/LCUser.cs
@@ -6,6 +6,9 @@ using LeanCloud.Common;
 using LeanCloud.Storage.Internal.Object;
 
 namespace LeanCloud.Storage {
+    /// <summary>
+    /// LCUser represents a user for a LeanCloud application.
+    /// </summary>
     public class LCUser : LCObject {
         public const string CLASS_NAME = "_User";
 
@@ -79,6 +82,11 @@ namespace LeanCloud.Storage {
 
         static LCUser currentUser;
 
+        /// <summary>
+        /// Gets the currently logged in LCUser with a valid session, either from
+        /// memory or disk if necessary.
+        /// </summary>
+        /// <returns></returns>
         public static async Task<LCUser> GetCurrent() {
             if (currentUser != null) {
                 return currentUser;
@@ -700,6 +708,13 @@ namespace LeanCloud.Storage {
                 .Include("followee");
         }
 
+        /// <summary>
+        /// Gets the followers and followees of the currently logged in user.
+        /// </summary>
+        /// <param name="includeFollower"></param>
+        /// <param name="includeFollowee"></param>
+        /// <param name="returnCount"></param>
+        /// <returns></returns>
         public async Task<LCFollowersAndFollowees> GetFollowersAndFollowees(bool includeFollower = false,
             bool includeFollowee = false, bool returnCount = false) {
             Dictionary<string, object> queryParams = new Dictionary<string, object>();