static void CombineMeshSelections ( [FGeometryScriptMeshSelection](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptMeshSelection) SelectionA, [FGeometryScriptMeshSelection](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptMeshSelection) SelectionB, [FGeometryScriptMeshSelection](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptMeshSelection) & ResultSelection, [EGeometryScriptCombineSelectionMode](API\Plugins\GeometryScriptingCore\GeometryScript\EGeometryScriptC-_1) CombineMode )