/**
 * Copyright 2022 Google LLC.
 * Copyright (c) Microsoft Corporation.
 *
 * 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.
 */
/**
 * Implements a FIFO buffer with a fixed size.
 */
export declare class Buffer<T> {
    #private;
    /**
     * @param capacity
     * @param onItemRemoved optional delegate called for each removed element.
     */
    constructor(capacity: number, onItemRemoved?: (value: T) => void);
    get(): T[];
    add(value: T): void;
}