import type { AftTransportPool } from "./transport.js";
import { type AftTransportFactoryOptions } from "./transport-factory.js";
type PoolFactory = (options: AftTransportFactoryOptions) => Promise<AftTransportPool>;
export interface AcquireBridgeDependencies {
    /** Construction seam for lifecycle tests. Production always uses createAftTransportPool. */
    createPool?: PoolFactory;
}
export interface BridgeLifecycleTopology {
    /** Live standalone daemon processes held by this JavaScript process (zero or one). */
    daemonProcesses: number;
    /** Location-scoped routes. A route exists for every acquired Location lease. */
    routes: number;
    /** Plugin-owned subc clients. The externally supervised daemon is not included. */
    subcClients: number;
    /** All currently acquired V2 Location leases. */
    locations: number;
}
export interface BridgeLifecycleCensus {
    watchers: number;
    listenPorts: number;
    routes: number;
    lspChildren: number;
    daemonProcesses: number;
}
export interface BridgeLifecycleCensusOptions {
    /** Delay before sampling. Leak probes use the required 2,000 ms settle. */
    settleMs?: number;
    abortSignal?: AbortSignal;
}
/**
 * Acquire the transport resources for one host Location. Standalone Locations
 * share one process-global owner; subc Locations each own one client while the
 * daemon remains externally supervised. Acquisition and disposal for identical
 * canonical directories pass through the same process-global lock.
 */
export declare function acquireBridge(locationDirectory: string, options: AftTransportFactoryOptions, dependencies?: AcquireBridgeDependencies): Promise<AftTransportPool>;
/** Release one Location lease. Non-lifecycle pools retain shutdown compatibility. */
export declare function releaseBridge(pool: AftTransportPool): Promise<void>;
/**
 * Sample daemon-reported lifecycle health without creating a bridge. Once every
 * Location has released, the empty process topology is returned after the same
 * settle window used by host leak probes.
 */
export declare function sampleBridgeLifecycleCensus(options?: BridgeLifecycleCensusOptions): Promise<BridgeLifecycleCensus>;
/** Process-local topology used by lifecycle probes; it never starts a daemon. */
export declare function getBridgeLifecycleTopology(): BridgeLifecycleTopology;
export {};
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