/**
 * Encodes an RGBA frame into a specified format.
 *
 * @param rgba - A `Uint8ClampedArray` containing the RGBA pixel data of the frame.
 * @param format - The desired output format. Can be either `'base64'` or `'rgb332'`.
 *   - `'base64'`: Encodes the frame as a Base64 string.
 *   - `'rgb332'`: Encodes the frame using the RGB332 color format.
 * @param stripAlpha - A boolean indicating whether to exclude the alpha channel
 *   from the encoding. If `true`, the alpha channel is removed.

 * @returns A string representing the encoded frame in the specified format.
 */
export declare function encodeFrame(rgba: Uint8ClampedArray, format: "base64" | "rgb332", stripAlpha: boolean): string;
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