import { Action, Removable, Result } from "@tmorin/ceb-messaging-core";
/**
 * The metadata of an IPC message.
 */
export interface IpcMessageMetadata {
    /**
     * When `true`, the execution blocks to wait for a {@link Result}.
     */
    waitForResult?: boolean;
    /**
     * It's the max time to wait for a result.
     */
    timeout?: number;
    /**
     * It's the action identifier which leads to the {@link Result}.
     */
    correlationId?: string;
}
/**
 * Create a {@link Removable} with a callback
 * @param callback the callback
 */
export declare function createRemovable(callback: () => any): Removable;
/**
 * Create an Error Result.
 * @param action the action
 * @param error the error
 */
export declare function createErrorResult(action: Action, error: any): Result<Error>;
export declare namespace createErrorResult {
    var MESSAGE_TYPE: string;
}
/**
 * The IPC channel for commands and their results.
 */
export declare const IPC_CHANNEL_COMMANDS = "commands";
/**
 * The IPC channel for queries and their results.
 */
export declare const IPC_CHANNEL_QUERIES = "queries";
/**
 * The IPC channel for events.
 */
export declare const IPC_CHANNEL_EVENTS = "events";