/**
 * The `Paeth` filter computes a simple linear function of the three neighboring pixels (left, above, upper left), then chooses as predictor the neighboring pixel closest to the computed value.
 *
 * This technique is due to Alan W. Paeth.
 *
 * @param {Uint8Array} scanline raw data
 * @param {number} scanline_offset
 * @param {Uint8Array} pixels processed output
 * @param {number} bpp bytes-per-pixel
 * @param {number} offset
 * @param {number} output_offset_previous pass a negative value when there is no previous scanline
 * @param {number} length
 *
 * @see https://www.w3.org/TR/PNG-Filters.html
 */
export function png_filter_unFilterPaeth(scanline: Uint8Array, scanline_offset: number, pixels: Uint8Array, bpp: number, offset: number, output_offset_previous: number, length: number): void;
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