export type WorkerType = {
    [key: string]: (...args: any) => any;
};
export type WorkerRecvEvent<T extends WorkerType> = {
    type: "function";
    payload: {
        id: number;
        name: keyof T;
        args: unknown;
    };
} | {
    type: "callback_result";
    payload: {
        id: string | number;
        result: unknown;
    };
} | {
    type: "callback_call";
    payload: {
        id: number;
        callbackId: string;
        args: unknown;
        callId: string;
    };
};
export type WorkerSendEvent<T extends WorkerType> = {
    type: "result";
    payload: {
        id: number;
        result: unknown;
    };
} | {
    type: "error";
    payload: {
        id: number;
        error: unknown;
    };
} | {
    type: "callback_call";
    payload: {
        id: number;
        callbackId: string;
        args: unknown;
        callId: string;
    };
} | {
    type: "callback_result";
    payload: {
        id: string | number;
        result: unknown;
    };
};
export declare const FUNCTION_PLACEHOLDER = "__worker_lib_function__";
export interface FunctionPlaceholder {
    [FUNCTION_PLACEHOLDER]: string;
}
export declare const isPlaceholder: (v: any) => v is FunctionPlaceholder;
export declare const isPlainObject: (v: any) => boolean;
export declare const getTransferables: (v: any, result?: ArrayBuffer[]) => ArrayBuffer[];
export declare const createRegistry: () => {
    callbacks: Map<string, Function>;
    callbackProxies: Map<string, Function>;
    registerCallback: (requestId: number, fn: Function) => string;
    clearCallbacks: (requestId: number) => void;
    transformArgs: (requestId: number, args: any) => any;
    resolveArgs: (requestId: number, args: any, createProxy: (callbackId: string) => Function) => any;
};
export interface UniversalWorker {
    postMessage(message: any, transfer?: any[]): void;
    addEventListener(type: string, listener: (data: any) => void): void;
    removeEventListener(type: string, listener: (data: any) => void): void;
    terminate(): void;
}