/**
 * Calculates the dimensions of each pass for a given image size
 * @param width - The width of the image
 * @param height - The height of the image
 * @returns Array of pass dimensions, including width, height, and pass index
 */
export declare function getImagePasses(width: number, height: number): PassDimensions[];
/**
 * Creates an iterator function for interlaced pixel access
 * @param width - The width of the image
 * @returns A function that calculates the buffer index for a given x, y coordinate and pass
 */
export declare function getInterlaceIterator(width: number): InterlaceIterator;
/**
 * The seven passes of the Adam7 interlacing algorithm.
 * Each pass specifies which x and y coordinates it handles in an 8x8 block.
 */
export declare const imagePasses: readonly InterlacePass[];
/**
 * Implementation of the Adam7 interlacing algorithm for PNG images.
 * The Adam7 algorithm splits the image into 7 passes, each covering different pixels
 * in an 8x8 pattern. The pattern for each pass is shown below:
 *
 *   0 1 2 3 4 5 6 7
 * 0 1 6 4 6 2 6 4 6  // Numbers indicate the pass (1-7) that handles each pixel
 * 1 7 7 7 7 7 7 7 7
 * 2 5 6 5 6 5 6 5 6
 * 3 7 7 7 7 7 7 7 7
 * 4 3 6 4 6 3 6 4 6
 * 5 7 7 7 7 7 7 7 7
 * 6 5 6 5 6 5 6 5 6
 * 7 7 7 7 7 7 7 7 7
 */
declare interface InterlacePass {
  readonly x: readonly number[]
  readonly y: readonly number[]
}
declare interface PassDimensions {
  width: number
  height: number
  index: number
}
declare type InterlaceIterator = (_x: number, _y: number, _pass: number) => number;