import { LivenessEngine } from "./engine";
export type { StartLivenessOptions, LivenessTheme } from "./ui";
export { DEFAULT_MODEL_URL, DEFAULT_WASM_URL, LIVENESS_ERROR_CDN_NOT_AVAILABLE, LIVENESS_ERROR_OFFLINE, LIVENESS_STEP_COUNT, isCdnNotAvailableError, isOfflineError, resolveStepLabels, LivenessError, } from "./engine";
export type { LivenessCallbacks, LivenessOptions, LivenessSoundOptions, LivenessStepKey } from "./engine";
export type { LivenessEngine } from "./engine";
/**
 * Starts liveness verification with built-in UI (oval frame, progress ring, camera).
 * Runs until the user completes all steps or a hard error occurs. Callbacks only.
 */
export declare function startLiveness(options: import("./ui").StartLivenessOptions): LivenessEngine;
/** Stops the current liveness session and releases the camera. */
export declare function stop(): void;