/* * Copyright 2018 Google * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #import "FIRTimestamp.h" NS_ASSUME_NONNULL_BEGIN /** Internal FIRTimestamp API we don't want exposed in our public header files. */ @interface FIRTimestamp (Internal) /** * Converts the given date to an ISO 8601 timestamp string, useful for rendering in JSON. * * ISO 8601 dates times in UTC look like this: "1912-04-14T23:40:00.000000000Z". * * @see http://www.ecma-international.org/ecma-262/6.0/#sec-date-time-string-format */ - (NSString *)ISO8601String; @end NS_ASSUME_NONNULL_END