interface FrequencyRange {
    min: number;
    max: number;
    offset: number;
}

interface RGBFrequencyRange {
    r: FrequencyRange;
    g: FrequencyRange;
    b: FrequencyRange;
}

interface PixeltoneOptions {
    inputImagePath: string;
    outputAudioPath: string;
    sampleRate?: number;
    duration?: number;
    rgbFrequencyRange?: RGBFrequencyRange;
}

/**
 * Pixeltone class provides functionality to generate audio files from image data.
 */
declare class Pixeltone {
    private _imageLoader;
    private _pixelToFrequencyMapper;
    private _rgbToAudioSampleGenerator;
    private _wavFileFactory;
    constructor();
    /**
    * Converts an image into an audio file by mapping pixel data (RGB) to audio frequencies.
    *
    * @param {PixeltoneOptions} options - Configuration options for generating audio.
    * @param {string} options.inputImagePath - Path to the input image file.
    * @param {string} options.outputAudioPath - Path where the output audio file will be saved.
    * @param {number} [options.sampleRate=DEFAULT_SAMPLE_RATE] - The audio sample rate in Hz.
    * @param {number} [options.duration=DEFAULT_DURATION] - Duration of the each pixel sample in seconds.
    * @param {number[][]} [options.rgbFrequencyRange=DEFAULT_RGB_FREQUENCY_RANGES] - Frequency range for RGB channels.
    *
    * @returns {Promise<void>} Resolves when the audio file has been successfully created.
    *
    * @example
    * const pixeltone = new Pixeltone();
    * await pixeltone.createAudioFromImage({
    *   inputImagePath: './input.png',
    *   outputAudioPath: './output.wav',
    *   sampleRate: 44100,
    *   duration: 10,
    *   rgbFrequencyRange: {
    *     r: { min: 30, max: 500, offset: 60 },
    *     g: { min: 500, max: 2000, offset: 250 },
    *     b: { min: 2000, max: 10000, offset: 1000 },
    *   }
    * });
    */
    createAudioFromImage(options: PixeltoneOptions): Promise<void>;
    destroy(): void;
}

export { Pixeltone, type PixeltoneOptions, type RGBFrequencyRange };