Changes
            - Added:
  * function Imagick::deleteOption(string $option): bool {}
  * function Imagick::getBackgroundColor(): ImagickPixel {}
  * function Imagick::getImageArtifacts(string $pattern = "*"): array {}
  * function Imagick::getImageKurtosis(): array {}
  * function Imagick::getImageMean(): array {}
  * function Imagick::getImageRange(): array {}
  * function Imagick::getInterpolateMethod(): int {}
  * function Imagick::getOptions(string $pattern = "*"): array {}
  * function Imagick::getOrientation(): int {}
  * function Imagick::getResolution(): array {}
  * function Imagick::getType(): int {}
  * function Imagick::implodeImageWithMethod(float $radius, int $pixel_interpolate_method): bool  {}
  * function Imagick::oilPaintImageWithSigma(float $radius, float $sigma)
  * function Imagick::polaroidWithTextAndMethod(ImagickDraw $settings, float $angle, string $caption, int $method): bool {}
  * function Imagick::polynomialImage(array $terms): bool {}
  * function Imagick::setDepth(int $depth): bool {}
  * function Imagick::setExtract(string $geometry): bool {}
  * function Imagick::setInterpolateMethod(int $method): bool{}
  * function Imagick::setOrientation(int $orientation): bool {}
  * function Imagick::spreadImageWithMethod(float $radius, int $interpolate_method): bool  {}
  * function Imagick::swirlImageWithMethod(float $degrees, int $interpolate_method): bool  {}
  * function Imagick::waveImageWithMethod(float $amplitude, float $length, int $interpolate_method): bool {}
  * Imagick::IMAGE_TYPE_BILEVEL
  * Imagick::IMAGE_TYPE_GRAYSCALE
  * Imagick::IMAGE_TYPE_GRAYSCALE_ALPHA
  * Imagick::IMAGE_TYPE_PALETTE
  * Imagick::IMAGE_TYPE_PALETTE_ALPHA
  * Imagick::IMAGE_TYPE_TRUE_COLOR
  * Imagick::IMAGE_TYPE_TRUE_COLOR_ALPHA
  * Imagick::IMAGE_TYPE_COLOR_SEPARATION
  * Imagick::IMAGE_TYPE_COLOR_SEPARATION_ALPHA
  * Imagick::IMAGE_TYPE_OPTIMIZE
  * Imagick::IMAGE_TYPE_PALETTE_BILEVEL_ALPHA
  * Imagick::COMPOSITE_SEAMLESS_BLEND
- Changed:
  * Imagick::setImageArtifact can now take null for the string value.
  * Return type for Imagick::getImageArtifact is string|null instead of string.