export interface ScannerCoordinationApi {
    claim(): Promise<string>;
    release(leaseId: string): Promise<void>;
}
export declare function __setScannerCoordinationForTests(api: ScannerCoordinationApi | undefined): void;
/**
 * One native scanner claim. Cleanup first confirms plugin-blec scan teardown,
 * then runs any post-scan GATT cleanup, and only then releases native ownership.
 */
export declare class DgScannerLease {
    private readonly coordination;
    private readonly leaseId;
    private cleanupPromise;
    private released;
    private constructor();
    static claim(): Promise<DgScannerLease>;
    get isReleased(): boolean;
    cleanup(stopScan: () => Promise<void>, afterStop?: () => Promise<void>): Promise<void>;
}
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