Roll of googleapis as of 4/7/2015.

discovery/googleapis/drive__v2.json

 {
     "auth": {
         "oauth2": {
             "scopes": {
                 "https://www.googleapis.com/auth/drive": {
-                    "description": "View and manage the files and documents in your Google Drive"
+                    "description": "View and manage the files in your Google Drive"
                 },
                 "https://www.googleapis.com/auth/drive.appdata": {
                     "description": "View and manage its own configuration data in your Google Drive"
                 },
                 "https://www.googleapis.com/auth/drive.apps.readonly": {
                     "description": "View your Google Drive apps"
                 },
                 "https://www.googleapis.com/auth/drive.file": {
                     "description": "View and manage Google Drive files that you have opened or created with this app"
                 },
                 "https://www.googleapis.com/auth/drive.metadata.readonly": {
-                    "description": "View metadata for files and documents in your Google Drive"
+                    "description": "View metadata for files in your Google Drive"
                 },
                 "https://www.googleapis.com/auth/drive.readonly": {
-                    "description": "View the files and documents in your Google Drive"
+                    "description": "View the files in your Google Drive"
                 },
                 "https://www.googleapis.com/auth/drive.scripts": {
                     "description": "Modify your Google Apps Script scripts' behavior"
                 }
             }
         }
     },
     "basePath": "/drive/v2/",
     "baseUrl": "https://www.googleapis.com/drive/v2/",
     "batchPath": "batch",
     "description": "The API to interact with Drive.",
     "discoveryVersion": "v1",
     "documentationLink": "https://developers.google.com/drive/",
-    "etag": "\"ye6orv2F-1npMW3u9suM3a7C5Bo/Fb0QHMZPT5INJMfkTyQs00f1EOI\"",
+    "etag": "\"ye6orv2F-1npMW3u9suM3a7C5Bo/yUsYaOTyEAvpk-uZ9U5lffkz2VU\"",
     "icons": {
         "x16": "https://ssl.gstatic.com/docs/doclist/images/drive_icon_16.png",
         "x32": "https://ssl.gstatic.com/docs/doclist/images/drive_icon_32.png"
     },
     "id": "drive:v2",
     "kind": "discovery#restDescription",
     "name": "drive",
     "ownerDomain": "google.com",
     "ownerName": "Google",
     "parameters": {
@@ skipping 734 matching lines @@
                         "$ref": "File"
                     },
                     "scopes": [
                         "https://www.googleapis.com/auth/drive",
                         "https://www.googleapis.com/auth/drive.appdata",
                         "https://www.googleapis.com/auth/drive.apps.readonly",
                         "https://www.googleapis.com/auth/drive.file"
                     ]
                 },
                 "delete": {
-                    "description": "Permanently deletes a file by ID. Skips the trash.",
+                    "description": "Permanently deletes a file by ID. Skips the trash. The currently authenticated user must own the file.",
                     "httpMethod": "DELETE",
                     "id": "drive.files.delete",
                     "parameterOrder": [
                         "fileId"
                     ],
                     "parameters": {
                         "fileId": {
                             "description": "The ID of the file to delete.",
                             "location": "path",
                             "required": true,
@@ skipping 19 matching lines @@
                 "get": {
                     "description": "Gets a file's metadata by ID.",
                     "httpMethod": "GET",
                     "id": "drive.files.get",
                     "parameterOrder": [
                         "fileId"
                     ],
                     "parameters": {
                         "acknowledgeAbuse": {
                             "default": "false",
-                            "description": "Whether the user is acknowledging the risk of downloading known malware or other abusive files.",
+                            "description": "Whether the user is acknowledging the risk of downloading known malware or other abusive files. Ignored unless alt=media is specified.",
                             "location": "query",
                             "type": "boolean"
                         },
                         "fileId": {
                             "description": "The ID for the file in question.",
                             "location": "path",
                             "required": true,
                             "type": "string"
                         },
                         "projection": {
                             "description": "This parameter is deprecated and has no function.",
                             "enum": [
                                 "BASIC",
                                 "FULL"
                             ],
                             "enumDescriptions": [
                                 "Deprecated",
                                 "Deprecated"
                             ],
                             "location": "query",
                             "type": "string"
                         },
+                        "revisionId": {
+                            "description": "Specifies the Revision ID that should be downloaded. Ignored unless alt=media is specified.",
+                            "location": "query",
+                            "type": "string"
+                        },
                         "updateViewedDate": {
                             "default": "false",
                             "description": "Whether to update the view date after successfully retrieving the file.",
                             "location": "query",
                             "type": "boolean"
                         }
                     },
                     "path": "files/{fileId}",
                     "response": {
                         "$ref": "File"
@@ skipping 455 matching lines @@
                 "watch": {
                     "description": "Subscribe to changes on a file",
                     "httpMethod": "POST",
                     "id": "drive.files.watch",
                     "parameterOrder": [
                         "fileId"
                     ],
                     "parameters": {
                         "acknowledgeAbuse": {
                             "default": "false",
-                            "description": "Whether the user is acknowledging the risk of downloading known malware or other abusive files.",
+                            "description": "Whether the user is acknowledging the risk of downloading known malware or other abusive files. Ignored unless alt=media is specified.",
                             "location": "query",
                             "type": "boolean"
                         },
                         "fileId": {
                             "description": "The ID for the file in question.",
                             "location": "path",
                             "required": true,
                             "type": "string"
                         },
                         "projection": {
                             "description": "This parameter is deprecated and has no function.",
                             "enum": [
                                 "BASIC",
                                 "FULL"
                             ],
                             "enumDescriptions": [
                                 "Deprecated",
                                 "Deprecated"
                             ],
                             "location": "query",
                             "type": "string"
                         },
+                        "revisionId": {
+                            "description": "Specifies the Revision ID that should be downloaded. Ignored unless alt=media is specified.",
+                            "location": "query",
+                            "type": "string"
+                        },
                         "updateViewedDate": {
                             "default": "false",
                             "description": "Whether to update the view date after successfully retrieving the file.",
                             "location": "query",
                             "type": "boolean"
                         }
                     },
                     "path": "files/{fileId}/watch",
                     "request": {
                         "$ref": "Channel",
@@ skipping 307 matching lines @@
                             "type": "string"
                         },
                         "permissionId": {
                             "description": "The ID for the permission.",
                             "location": "path",
                             "required": true,
                             "type": "string"
                         },
                         "transferOwnership": {
                             "default": "false",
-                            "description": "Whether changing a role to 'owner' should also downgrade the current owners to writers.",
+                            "description": "Whether changing a role to 'owner' downgrades the current owners to writers. Does nothing if the specified role is not 'owner'.",
                             "location": "query",
                             "type": "boolean"
                         }
                     },
                     "path": "files/{fileId}/permissions/{permissionId}",
                     "request": {
                         "$ref": "Permission"
                     },
                     "response": {
                         "$ref": "Permission"
@@ skipping 19 matching lines @@
                             "type": "string"
                         },
                         "permissionId": {
                             "description": "The ID for the permission.",
                             "location": "path",
                             "required": true,
                             "type": "string"
                         },
                         "transferOwnership": {
                             "default": "false",
-                            "description": "Whether changing a role to 'owner' should also downgrade the current owners to writers.",
+                            "description": "Whether changing a role to 'owner' downgrades the current owners to writers. Does nothing if the specified role is not 'owner'.",
                             "location": "query",
                             "type": "boolean"
                         }
                     },
                     "path": "files/{fileId}/permissions/{permissionId}",
                     "request": {
                         "$ref": "Permission"
                     },
                     "response": {
                         "$ref": "Permission"
@@ skipping 708 matching lines @@
                     },
                     "scopes": [
                         "https://www.googleapis.com/auth/drive",
                         "https://www.googleapis.com/auth/drive.appdata",
                         "https://www.googleapis.com/auth/drive.file"
                     ]
                 }
             }
         }
     },
-    "revision": "20150108",
+    "revision": "20150326",
     "rootUrl": "https://www.googleapis.com/",
     "schemas": {
         "About": {
             "description": "An item with user information and settings.",
             "id": "About",
             "properties": {
                 "additionalRoleInfo": {
                     "description": "Information about supported additional roles per file type. The most specific type takes precedence.",
                     "items": {
                         "properties": {
@@ skipping 266 matching lines @@
                 },
                 "name": {
                     "description": "The name of the app.",
                     "type": "string"
                 },
                 "objectType": {
                     "description": "The type of object this app creates (e.g. Chart). If empty, the app name should be used instead.",
                     "type": "string"
                 },
                 "openUrlTemplate": {
-                    "description": "The template url for opening files with this app. The template will contain {ids} and/or {exportIds} to be replaced by the actual file ids.",
+                    "description": "The template url for opening files with this app. The template will contain {ids} and/or {exportIds} to be replaced by the actual file ids. See  Open Files  for the full documentation.",
                     "type": "string"
                 },
                 "primaryFileExtensions": {
                     "description": "The list of primary file extensions.",
                     "items": {
                         "type": "string"
                     },
                     "type": "array"
                 },
                 "primaryMimeTypes": {
@@ skipping 706 matching lines @@
                         },
                         "restricted": {
                             "description": "Whether viewers are prevented from downloading this file.",
                             "type": "boolean"
                         },
                         "starred": {
                             "description": "Whether this file is starred by the user.",
                             "type": "boolean"
                         },
                         "trashed": {
-                            "description": "Whether this file has been trashed.",
+                            "description": "Whether this file has been trashed. This label applies to all users accessing the file; however, only owners are allowed to see and untrash files.",
                             "type": "boolean"
                         },
                         "viewed": {
                             "description": "Whether this file has been viewed by this user.",
                             "type": "boolean"
                         }
                     },
                     "type": "object"
                 },
                 "lastModifyingUser": {
@@ skipping 97 matching lines @@
                     "type": "string"
                 },
                 "sharingUser": {
                     "$ref": "User",
                     "description": "User that shared the item with the current user, if available."
                 },
                 "thumbnail": {
                     "description": "Thumbnail for the file. Only accepted on upload and for files that are not already thumbnailed by Google.",
                     "properties": {
                         "image": {
-                            "description": "The URL-safe Base64 encoded bytes of the thumbnail image.",
+                            "description": "The URL-safe Base64 encoded bytes of the thumbnail image. It should conform to RFC 4648 section 5.",
                             "format": "byte",
                             "type": "string"
                         },
                         "mimeType": {
                             "description": "The MIME type of the thumbnail.",
                             "type": "string"
                         }
                     },
                     "type": "object"
                 },
                 "thumbnailLink": {
-                    "description": "A link to the file's thumbnail.",
+                    "description": "A short-lived link to the file's thumbnail. Typically lasts on the order of hours.",
                     "type": "string"
                 },
                 "title": {
                     "description": "The title of this file.",
                     "type": "string"
                 },
                 "userPermission": {
                     "$ref": "Permission",
                     "description": "The permissions for the authenticated user on this file."
                 },
@@ skipping 247 matching lines @@
                     "type": "string"
                 },
                 "selfLink": {
                     "description": "A link back to this list.",
                     "type": "string"
                 }
             },
             "type": "object"
         },
         "Property": {
-            "description": "A key-value pair that is either public or private to an application.",
+            "description": "A key-value pair attached to a file that is either public or private to an application.\nThe following limits apply to file properties:  \n- Maximum of 100 properties total per file\n- Maximum of 30 private properties per app\n- Maximum of 30 public properties\n- Maximum of 124 bytes size limit on (key + value) string in UTF-8 encoding for a single property.",
             "id": "Property",
             "properties": {
                 "etag": {
                     "description": "ETag of the property.",
                     "type": "string"
                 },
                 "key": {
                     "description": "The key of this property.",
                     "type": "string"
                 },
@@ skipping 192 matching lines @@
                     },
                     "type": "object"
                 }
             },
             "type": "object"
         }
     },
     "servicePath": "drive/v2/",
     "title": "Drive API",
     "version": "v2"
-}
+}