/**
* @license
* Copyright 2023 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
import { ProtocolError } from './Errors.js';
/**
* Manages callbacks and their IDs for the protocol request/response communication.
*
* @internal
*/
export declare class CallbackRegistry {
#private;
create(label: string, timeout: number | undefined, request: (id: number) => void): Promise<unknown>;
reject(id: number, message: string, originalMessage?: string): void;
_reject(callback: Callback, errorMessage: string | ProtocolError, originalMessage?: string): void;
resolve(id: number, value: unknown): void;
clear(): void;
/**
* @internal
*/
getPendingProtocolErrors(): Error[];
}
/**
* @internal
*/
export declare class Callback {
#private;
constructor(id: number, label: string, timeout?: number);
resolve(value: unknown): void;
reject(error: Error): void;
get id(): number;
get promise(): Promise<unknown>;
get error(): ProtocolError;
get label(): string;
}
/**
* @internal
*/
export declare function createIncrementalIdGenerator(): GetIdFn;
/**
* @internal
*/
export type GetIdFn = () => number;
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