/**
 * AVIF Encoder - Instance-based encoder for efficient batch processing
 */
import { AVIFEncodeOptions } from './types';
/**
 * AVIF Encoder class
 *
 * Creates an encoder instance that can be reused for multiple images,
 * reducing initialization overhead.
 *
 * @example
 * ```typescript
 * const encoder = new AVIFEncoder({ quality: 60, speed: 6 });
 * const avif1 = encoder.encode(jpegData1);
 * const avif2 = encoder.encode(pngData);
 * encoder.close();
 * ```
 */
export declare class AVIFEncoder {
    private encoderPtr;
    private closed;
    /**
     * Create a new AVIF encoder with the given options
     * @param options Partial AVIF encoding options (merged with defaults)
     */
    constructor(options?: Partial<AVIFEncodeOptions>);
    /**
     * Encode image file data (JPEG, PNG, etc.) to AVIF format
     * @param imageFileData Buffer containing image file data
     * @returns AVIF encoded data as Buffer
     */
    encode(imageFileData: Buffer): Buffer;
    /**
     * Close the encoder and free resources
     * Must be called when done using the encoder
     */
    close(): void;
    /**
     * Get default AVIF encoding options
     */
    static getDefaultOptions(): AVIFEncodeOptions;
    /**
     * Convert TypeScript options to C struct
     */
    private convertOptions;
}
//# sourceMappingURL=avif-encoder.d.ts.map