NODE-568 fixed docs for insertOne

Author: christkv

lib/collection.js

@@ -368,7 +368,7 @@ define.classMethod('find', {callback: false, promise:false, returns: [Cursor]});
  * @param {boolean} [options.serializeFunctions=false] Serialize functions on any object.
  * @param {boolean} [options.forceServerObjectId=false] Force server to assign _id values instead of driver.
  * @param {boolean} [options.bypassDocumentValidation=false] Allow driver to bypass schema validation in MongoDB 3.2 or higher.
- * @param {Collection~insertWriteOpCallback} [callback] The command result callback
+ * @param {Collection~insertOneWriteOpCallback} [callback] The command result callback
  * @return {Promise} returns Promise if no callback passed
  */
 Collection.prototype.insertOne = function(doc, options, callback) {
@@ -700,13 +700,31 @@ define.classMethod('bulkWrite', {callback: true, promise:true});
  * @property {Number} result.n The total count of documents inserted.
  */
 
+/**
+ * @typedef {Object} Collection~insertOneWriteOpResult
+ * @property {Number} insertedCount The total amount of documents inserted.
+ * @property {object[]} ops All the documents inserted using insertOne/insertMany/replaceOne. Documents contain the _id field if forceServerObjectId == false for insertOne/insertMany
+ * @property {ObjectId} insertedId The driver generated ObjectId for the insert operation.
+ * @property {object} connection The connection object used for the operation.
+ * @property {object} result The raw command result object returned from MongoDB (content might vary by server version).
+ * @property {Number} result.ok Is 1 if the command executed correctly.
+ * @property {Number} result.n The total count of documents inserted.
+ */
+
 /**
  * The callback format for inserts
  * @callback Collection~insertWriteOpCallback
  * @param {MongoError} error An error instance representing the error during the execution.
  * @param {Collection~insertWriteOpResult} result The result object if the command was executed successfully.
  */
 
+/**
+ * The callback format for inserts
+ * @callback Collection~insertOneWriteOpCallback
+ * @param {MongoError} error An error instance representing the error during the execution.
+ * @param {Collection~insertOneWriteOpResult} result The result object if the command was executed successfully.
+ */
+
 /**
  * Inserts a single document or a an array of documents into MongoDB.
  * @method