/**
 * PcmRecorder for WeChat Mini Program
 * Records audio using the uni.getRecorderManager API and provides PCM data
 */
/**
 * Recording status types
 */
export declare enum RecordingStatus {
    IDLE = "idle",
    RECORDING = "recording",
    PAUSED = "paused"
}
/**
 * Configuration options for PcmRecorder
 */
export interface PcmRecorderConfig {
    /**
     * Sample rate for audio recording (default: 16000)
     */
    sampleRate?: number;
    /**
     * Enable debug logging
     */
    debug?: boolean;
}
/**
 * PcmRecorder class for WeChat Mini Program
 * Simplified version without AI denoising and other advanced features
 */
export declare class PcmRecorder {
    /**
     * The recorder manager instance from uni API
     */
    private recorderManager;
    /**
     * Current recording status
     */
    private status;
    /**
     * Callback function for PCM audio data
     */
    private pcmAudioCallback;
    /**
     * Configuration for the recorder
     */
    private config;
    /**
     * Creates a new PcmRecorder instance
     * @param {PcmRecorderConfig} config - Configuration options
     */
    constructor(config?: PcmRecorderConfig);
    /**
     * Set up event listeners for the recorder manager
     * @private
     */
    private setupEventListeners;
    /**
     * Start recording audio
     */
    start(): void;
    /**
     * Start recording and register callbacks
     * @param {object} params - Parameters containing callbacks
     * @param {function} params.pcmAudioCallback - Callback for PCM audio data
     */
    record({ pcmAudioCallback, }?: {
        pcmAudioCallback?: (data: {
            raw: ArrayBuffer;
        }) => void;
    }): void;
    /**
     * Pause recording temporarily
     */
    pause(): void;
    /**
     * Resume recording after pause
     */
    resume(): void;
    /**
     * Stop recording and clean up resources
     */
    destroy(): void;
    /**
     * Get current recording status
     * @returns {string} - Current status: 'idle', 'recording', or 'paused'
     */
    getStatus(): string;
    /**
     * Get current sample rate
     * @returns {number} - Sample rate in Hz
     */
    getSampleRate(): number;
    /**
     * Log messages when debug is enabled
     * @private
     */
    private log;
}
export default PcmRecorder;