@googlemaps/markerclusterer
Version:
Creates and manages per-zoom-level clusters for large amounts of markers.
24 lines (23 loc) • 893 B
TypeScript
/**
* Copyright 2021 Google LLC
*
* 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.
*/
/**
* A typescript assertion function used in cases where typescript has to be
* convinced that the object in question can not be null.
*
* @param value
* @param message
*/
export declare function assertNotNull<TValue>(value: TValue, message?: string): asserts value is NonNullable<TValue>;