import { MessagePort, TransferListItem } from 'worker_threads';
import { ConsoleInterface, LogLevel } from './common/console';
import { ServiceProvider } from './common/serviceProvider';
import './common/serviceProviderExtensions';
export declare class BackgroundConsole implements ConsoleInterface {
    private readonly _parentPort;
    private _level;
    constructor(_parentPort: MessagePort);
    get level(): LogLevel;
    set level(value: LogLevel);
    log(msg: string): void;
    info(msg: string): void;
    warn(msg: string): void;
    error(msg: string): void;
    protected post(level: LogLevel, msg: string): void;
}
export declare class BackgroundThreadBase {
    private readonly _serviceProvider;
    protected constructor(data: InitializationData, serviceProvider?: ServiceProvider);
    protected get fs(): import("./common/fileSystem").FileSystem;
    protected log(level: LogLevel, msg: string): void;
    protected getConsole(): ConsoleInterface;
    protected getServiceProvider(): ServiceProvider;
    protected handleShutdown(): void;
}
export declare function serializeReplacer(value: any): any;
export declare function serialize(obj: any): string;
export declare function deserializeReviver(value: any): any;
export declare function deserialize<T = any>(json: string | null): T;
export interface MessagePoster {
    postMessage(value: any, transferList?: ReadonlyArray<TransferListItem>): void;
}
export declare function run<T = any>(code: () => Promise<T>, port: MessagePoster): Promise<void>;
export declare function run<T = any>(code: () => Promise<T>, port: MessagePoster, serializer: (obj: any) => any): Promise<void>;
export declare function run<T = any>(code: () => T, port: MessagePoster): void;
export declare function run<T = any>(code: () => T, port: MessagePoster, serializer: (obj: any) => any): void;
export type BackgroundDataHandler = (data: any, port: MessagePort) => void;
export declare function getBackgroundWaiter<T>(port: MessagePort, options?: {
    deserializer?: (v: any) => T;
    dataHandler?: BackgroundDataHandler;
}): Promise<T>;
export interface InitializationData {
    rootUri: string;
    workspaceRootUri: string;
    tempFileName: string;
    serviceId: string;
    workerIndex: number;
    cancellationFolderName: string | undefined;
    runner: string | undefined;
}
export interface RequestResponse {
    kind: 'ok' | 'failed' | 'cancelled' | 'data';
    data: any;
}
export interface LogData {
    level: LogLevel;
    message: string;
}