import { Buffer } from 'node:buffer';
declare interface BitmapInfo {
  width: number
  height: number
  interlace: boolean
  bpp: number
  depth: 1 | 2 | 4 | 8 | 16
}
declare interface FilterDependencies {
  read: (length: number, callback: (data: Buffer) => void) => void
  write: (data: Buffer) => void
  complete: () => void
}
/**
 * Filter class for handling PNG scanline filtering
 */
export declare class Filter {
  constructor(bitmapInfo: BitmapInfo, dependencies: FilterDependencies);
  start(): void;
}