/// <reference types="node" />
import { MessagePort } from "worker_threads";
import { CallableId, ThreadId, ThreadMethodKey } from "./general";
export declare enum MainMessageAction {
    CALL = "call",
    INIT = "init"
}
export declare type BaseMainMessage = {
    action: MainMessageAction;
};
export declare type CallMessage = BaseMainMessage & {
    key: ThreadMethodKey;
    callableId: number;
    args: any;
    argFunctionPositions: number[];
};
export declare type InitMessage = BaseMainMessage & {
    workerPath: string;
    port: MessagePort;
    id: ThreadId;
    parentId: ThreadId;
};
export declare enum ThreadMessageAction {
    RESOLVE = "resolve",
    REJECT = "reject",
    READY = "ready",
    STARTUP_ERROR = "startup-error",
    CALL_FUNCTION = "call-function",
    FREE_FUNCTION = "free-function"
}
export declare type BaseThreadMessage = {
    action: ThreadMessageAction;
};
export declare type ThreadReadyMessage = BaseThreadMessage;
export declare type ThreadCallbackMessage = BaseThreadMessage & {
    callableId: CallableId;
    result: any;
};
export declare type ThreadFunctionMessage = BaseThreadMessage & {
    functionId: CallableId;
    key: ThreadMethodKey;
    args: any[];
    pos: number;
};
export declare type ThreadFreeFunctionMessage = BaseThreadMessage & {
    functionId: CallableId;
    key: ThreadMethodKey;
};
export declare type ThreadErrorMessage = BaseThreadMessage & {
    callableId: CallableId;
    message: string;
    stack: string;
};
export declare function isThreadCallbackMessage(msg: BaseThreadMessage): msg is ThreadCallbackMessage;
export declare function isThreadErrorMessage(msg: BaseThreadMessage): msg is ThreadErrorMessage;
export declare function isThreadFunctionMessage(msg: BaseThreadMessage): msg is ThreadFunctionMessage;
export declare function isThreadFreeFunctionMessage(msg: BaseThreadMessage): msg is ThreadFreeFunctionMessage;
export declare function isThreadReadyMessage(msg: BaseThreadMessage): msg is ThreadReadyMessage;
export declare function isThreadStartupErrorMessage(msg: BaseThreadMessage): msg is ThreadErrorMessage;