import { EventEmitter } from 'node:events';
import type { ResolvedRuntime, RuntimeKind, RuntimeManagerOptions, RuntimeRequest, RuntimeStatus } from './types.js';
export declare class ManagedRuntimeManager extends EventEmitter {
    private readonly options;
    private readonly inFlight;
    constructor(options: RuntimeManagerOptions);
    defaultVersion(runtime: RuntimeKind): string;
    resolve(request: RuntimeRequest): Promise<ResolvedRuntime>;
    private resolveUncached;
    probeManaged(runtime: RuntimeKind, requestedVersion: string): Promise<ResolvedRuntime | null>;
    install(runtime: RuntimeKind, version?: string, signal?: AbortSignal): Promise<ResolvedRuntime>;
    private installDistribution;
    private installPython;
    private installBundledPython;
    private uvEnvironment;
    status(runtime: RuntimeKind): Promise<RuntimeStatus>;
    statusAll(): Promise<RuntimeStatus[]>;
    repair(runtime: RuntimeKind): Promise<ResolvedRuntime>;
    private progress;
}