Method assertBoolean

src/utils/log.js:488–494

* Throws an error if the first argument isn't a boolean. * * For more details see `assert`. * * @param {*} shouldBeBoolean * @param {!Array|string=} opt_message The assertion message * @return {boolean} The boolean value. * @closurePrimitive {asserts.matchesReturn}

(shouldBeBoolean, opt_message)

   * @closurePrimitive {asserts.matchesReturn}
   */
  assertBoolean(shouldBeBoolean, opt_message) {
    return assertions.assertBoolean(
      this.boundAssertFn_,
      shouldBeBoolean,
      opt_message
    );
  }
}

/**