Method imageUncache

src/monogatari.ts:1039–1041

* Remove an HTMLImageElement from the cache * @param key - Cache key to remove * @returns true if the key existed and was removed

(key: string)

   * @returns true if the key existed and was removed
   */
  static imageUncache(key: string): boolean {
    return _imageUncache(this.asEngine(), key);
  }

  /**
   * Clear image cache, optionally filtered by prefix