message: Add default value for RoofMaskFilter uniforms
diff: * The alpha [threshold,1] is re-mapped to [0,1] with an hermite interpolation slope to prevent pixelation.
  */
  declare class RoofMaskFilter extends AbstractFilter {
  + /**
  + * @defaultValue
  + * ```typescript
  + * {
  + * alphaThreshold: 0.75,
  + * turnToColor: false,
  + * color: [1, 1, 1]
  + * }
  + * ```
  + */
  static defaultUniforms: AbstractBaseShader.Uniforms;
  static fragmentShader: string;
  