import { ChildProcess, ForkOptions } from 'child_process';
import { SerializableInput, Serializable } from '../types';
/** Options for the child process. */
export interface ChildProcessOptions extends ForkOptions {
    /** Data to send to the cluster. */
    clusterData?: NodeJS.ProcessEnv | undefined;
    /** The arguments to pass to the child process. */
    args?: string[] | undefined;
}
/** Child class. */
export declare class Child {
    private file;
    /** The child process. */
    process: ChildProcess | null;
    /** The options for the child process. */
    processOptions: ForkOptions & {
        args?: string[];
    };
    /** Creates an instance of Child. */
    constructor(file: string, options: ChildProcessOptions);
    /** Spawns the child process. */
    spawn(): ChildProcess;
    /** Respawns the child process. */
    respawn(): Promise<ChildProcess>;
    /** Kills the child process. */
    kill(): Promise<boolean>;
    /** Sends a message to the child process. */
    send<T extends Serializable>(message: SerializableInput<T, true>): Promise<void>;
}
/** Child client class. */
export declare class ChildClient {
    /** The IPC process. */
    readonly ipc: NodeJS.Process;
    /** Creates an instance of ChildClient. */
    constructor();
    /** Sends a message to the child process. */
    send<T extends Serializable>(message: SerializableInput<T, true>): Promise<void>;
    /** Gets the data of the child process. */
    getData(): NodeJS.ProcessEnv;
}