import { type ChildSessionFactory, type SubagentExecutionRequest, type SubagentRunResult, type WorkerUsage, type SubagentExecutorOptions } from "./types.js";
/** @internal Test-only seam; the public executor always uses the guarded Pi factory. */
export declare function createSubagentExecutorForTesting(options: SubagentExecutorOptions, sessionFactory: ChildSessionFactory): SubagentExecutor;
/**
 * Foreground child executor. Route selection and health remain M4 adapter
 * responsibilities; this layer only runs one exact route at a time.
 */
export declare class SubagentExecutor {
    private readonly routeAdapter;
    private readonly sessionFactory;
    private readonly clock;
    private readonly onProgress;
    private readonly resultProtocolFactory;
    private readonly safety;
    constructor(options: SubagentExecutorOptions);
    run(request: SubagentExecutionRequest, signal?: AbortSignal): Promise<SubagentRunResult>;
    private runValidated;
    private execute;
    private resolveExactRoute;
    private executeAttempt;
    private promptWithControl;
    private emit;
}
/**
 * Extract only the bounded numeric fields Pi exposes on an assistant message.
 * Pi's own compaction helper ignores error/aborted and all-zero usage; M8 uses
 * the same rule so failed turns do not masquerade as measured consumption.
 */
export declare function extractWorkerUsage(message: unknown): WorkerUsage | undefined;
export { toolProfileForPool, isPotentiallyMutatingTool } from "./profiles.js";
export declare function createSubagentExecutor(options: SubagentExecutorOptions): SubagentExecutor;