/// <reference types="node" />
declare class Metaflac {
    buffer: Buffer;
    marker: string;
    streamInfo: any;
    blocks: any[];
    padding: any;
    vorbisComment: any;
    vendorString: string;
    tags: any;
    pictures: Buffer[];
    picturesSpecs: object[];
    picturesDatas: string[];
    framesOffset: number;
    constructor(flac: Buffer);
    init(): void;
    parseVorbisComment(): void;
    parsePictureBlock(): void;
    getPicturesSpecs(): object[];
    /**
     * Get the MD5 signature from the STREAMINFO block.
     */
    getMd5sum(): any;
    /**
     * Get the minimum block size from the STREAMINFO block.
     */
    getMinBlocksize(): any;
    /**
     * Get the maximum block size from the STREAMINFO block.
     */
    getMaxBlocksize(): any;
    /**
     * Get the minimum frame size from the STREAMINFO block.
     */
    getMinFramesize(): any;
    /**
     * Get the maximum frame size from the STREAMINFO block.
     */
    getMaxFramesize(): any;
    /**
     * Get the sample rate from the STREAMINFO block.
     */
    getSampleRate(): number;
    /**
     * Get the number of channels from the STREAMINFO block.
     */
    getChannels(): number;
    /**
     * Get the # of bits per sample from the STREAMINFO block.
     */
    getBps(): number;
    /**
     * Get the total # of samples from the STREAMINFO block.
     */
    getTotalSamples(): number;
    /**
     * Show the vendor string from the VORBIS_COMMENT block.
     */
    getVendorTag(): string;
    /**
     * Get all tags where the the field name matches NAME.
     *
     * @param {string} name
     */
    getTag(name: string): any;
    /**
     * Remove all tags whose field name is NAME.
     *
     * @param {string} name
     */
    removeTag(name: string): void;
    /**
     * Remove first tag whose field name is NAME.
     *
     * @param {string} name
     */
    removeFirstTag(name: string): void;
    /**
     * Remove all tags, leaving only the vendor string.
     */
    removeAllTags(): void;
    /**
     * Add a tag.
     * The FIELD must comply with the Vorbis comment spec, of the form NAME=VALUE. If there is currently no tag block, one will be created.
     *
     * @param {string} field
     */
    setTag(field: string): void;
    /**
     * Import a picture and store it in a PICTURE metadata block.
     *
     * @param {string} filename
     */
    importPicture(picture: Buffer, dimension: number, mime: 'image/jpeg' | 'image/png'): void;
    /**
     * Return all tags.
     */
    getAllTags(): any;
    buildSpecification(spec?: {}): {
        type: number;
        mime: string;
        description: string;
        width: number;
        height: number;
        depth: number;
        colors: number;
    };
    /**
     * Build a picture block.
     *
     * @param {Buffer} picture
     * @param {Object} specification
     * @returns {Buffer}
     */
    buildPictureBlock(picture: Buffer, specification?: any): Buffer;
    buildMetadataBlock(type: number, block: Buffer, isLast?: boolean): Buffer;
    buildMetadata(): Buffer[];
    buildStream(): Buffer[];
    /**
     * Save changes to buffer and return changed buffer
     */
    getBuffer(): Buffer;
}
export default Metaflac;