shadow
  The size of the shadow image, as a scale factor applied to the size of the specified image.
Use static method LocationIndicatorLayer.defaultShadowImageSize to set the default property.
Parameters
shadow
value of shadowImageSize
The size of the shadow image, as a scale factor applied to the size of the specified image.
Use static method LocationIndicatorLayer.defaultShadowImageSizeAsExpression to set the default property.
Parameters
shadow
value of shadowImageSize as Expression
The size of the shadow image, as a scale factor applied to the size of the specified image.