import type { StudioCommandSpec, StudioConfig, StudioHarnessConfig, StudioHarnessAuthStatus, StudioHarnessManifest, StudioHarnessStatus, StudioRunRequest } from "./types.js";
export interface ListHarnessOptions {
    resolveCommand?: (command: string) => string | null;
    probeAuth?: (harness: StudioHarnessConfig, resolvedPath: string | null) => HarnessAuthProbeResult;
    forceRefresh?: boolean;
}
export interface HarnessAuthProbeResult {
    authStatus: StudioHarnessAuthStatus;
    authMessage: string;
}
export declare function clearHarnessProbeCaches(): void;
export declare function getHarnessManifest(): StudioHarnessManifest;
export declare function listHarnesses(config: StudioConfig, options?: ListHarnessOptions): StudioHarnessStatus[];
export declare function buildHarnessCommand(config: StudioConfig, request: StudioRunRequest): StudioCommandSpec;
export declare function harnessProbeCacheAgeMs(now?: number): number;