Remove Duplicate Points
shapes_points
QgsProcessingParameterFeatureSource|POINTS|Points|-1|None|False
QgsProcessingParameterField|FIELD|Attribute|None|POINTS|-1|False|False
QgsProcessingParameterEnum|METHOD|Point to Keep|[0] first point;[1] last point;[2] point with minimum attribute value;[3] point with maximum attribute value
QgsProcessingParameterEnum|NUMERIC|Numeric Attribute Values|[0] take value from the point to be kept;[1] minimum value of all duplicates;[2] maximum value of all duplicates;[3] mean value of all duplicates
QgsProcessingParameterVectorDestination|RESULT|Result