public static GeometryExpression<?> collect(Expression<? extends GeometryCollection> collection) {
        return geometryOperation(SpatialOps.COLLECT, collection);
    }
Return a specified ST_Geometry value from a collection of other geometries.

@param collection geometry collection
@return geometry collection
querydsl-spatial/src/main/java/com/querydsl/spatial/GeometryExpressions.java