question: retrieve the type of the named parameter defined for this filter . concode_field_sep Map<String,Type> parameterTypes concode_elem_sep String defaultFilterCondition concode_elem_sep String filterName concode_field_sep String getFilterName concode_elem_sep Set<String> getParameterNames concode_elem_sep Map<String,Type> getParameterTypes concode_elem_sep String getDefaultFilterCondition
target: Type function ( String arg0 ) { return parameterTypes . get ( arg0 ) ; }