[AUTOMATED]: Prettier Code Styling

Author: schmidt-sebastian

packages/database/src/api/Query.ts

@@ -264,7 +264,11 @@ export class Query {
    * @param {(function(!DataSnapshot, ?string=))=} callback
    * @param {Object=} context
    */
-  off(eventType?: string, callback?: SnapshotCallback, context?: Object | null): void {
+  off(
+    eventType?: string,
+    callback?: SnapshotCallback,
+    context?: Object | null
+  ): void {
     validateArgCount('Query.off', 0, 3, arguments.length);
     validateEventType('Query.off', 1, eventType, true);
     validateCallback('Query.off', 2, callback, true);
@@ -309,7 +313,7 @@ export class Query {
 
     const ret = Query.getCancelAndContextArgs_(
       'Query.once',
-        failureCallbackOrContext,
+      failureCallbackOrContext,
       context
     );
 

packages/firebase/index.d.ts

@@ -4399,7 +4399,9 @@ declare namespace firebase.database {
      * ```
      *
      * @param eventType One of the following strings: "value",
-     *   "child_added", "child_changed", "child_removed", or "child_moved."
+     *   "child_added", "child_changed", "child_removed", or "child_moved." If
+     *   no eventType is specified, all callbacks for the `Reference` will be
+     *   removed.
      * @param callback The
      *   callback function that was passed to `on()`.
      * @param context The context that was passed to `on()`.
@@ -4524,7 +4526,10 @@ declare namespace firebase.database {
      */
     on(
       eventType: EventType,
-      callback: (a: firebase.database.DataSnapshot | null, b?: string | null) => any,
+      callback: (
+        a: firebase.database.DataSnapshot,
+        b?: string | null
+      ) => any,
       cancelCallbackOrContext?: Object | null,
       context?: Object | null
     ): (a: firebase.database.DataSnapshot | null, b?: string | null) => any;
@@ -4564,10 +4569,10 @@ declare namespace firebase.database {
      */
     once(
       eventType: EventType,
-      successCallback?: (a: DataSnapshot, b?: string | null) => any,
-      cancelCallbackOrContext?: ((a: Error) => void) | Object | null,
+      successCallback?: (a: firebase.database.DataSnapshot, b?: string | null) => any,
+      failureCallbackOrContext?: ((a: Error) => void) | Object | null,
       context?: Object | null
-    ): Promise<DataSnapshot>;
+    ): Promise<firebase.database.DataSnapshot>;
     /**
      * Generates a new `Query` object ordered by the specified child key.
      *