import type { FirebaseKitPlugin } from '../definitions';
/**
 * Register the legacy Capacitor plugin for backward compatibility
 *
 * @deprecated Use the new provider-less `firebaseKit` API instead
 * @example
 * ```typescript
 * // Old way (deprecated)
 * import { registerCapacitorPlugin } from 'capacitor-firebase-kit';
 * const FirebaseKit = registerCapacitorPlugin();
 *
 * // New way (recommended)
 * import firebaseKit from 'capacitor-firebase-kit';
 * await firebaseKit.initialize({ ... });
 * ```
 */
export declare function registerCapacitorPlugin(): Promise<FirebaseKitPlugin>;