// Ambient types for `gifenc` — the package ships no declarations, so without
// this the GIF export lane was `any` end to end (and, before the A2 tsconfig
// completion, checked by nothing at all).
//
// Narrowed to the surface exporters/video-encode-lib.ts actually calls; widen
// it here rather than casting at a call site.

declare module 'gifenc' {
  export type Palette = number[][];

  export interface WriteFrameOptions {
    palette?: Palette;
    /** Frame delay in milliseconds. */
    delay?: number;
    transparent?: boolean;
    transparentIndex?: number;
    repeat?: number;
    dispose?: number;
  }

  export interface GifEncoder {
    writeFrame(
      index: Uint8Array | number[],
      width: number,
      height: number,
      opts?: WriteFrameOptions
    ): void;
    finish(): void;
    bytes(): Uint8Array;
    bytesView(): Uint8Array;
    reset(): void;
  }

  export function GIFEncoder(opts?: { auto?: boolean; initialCapacity?: number }): GifEncoder;

  export function quantize(
    rgba: Uint8Array | Uint8ClampedArray,
    maxColors: number,
    opts?: {
      format?: 'rgb565' | 'rgb444' | 'rgba4444';
      oneBitAlpha?: boolean;
      clearAlpha?: boolean;
    }
  ): Palette;

  export function applyPalette(
    rgba: Uint8Array | Uint8ClampedArray,
    palette: Palette,
    format?: 'rgb565' | 'rgb444' | 'rgba4444'
  ): Uint8Array;
}