question: set file type names concode_field_sep Set<String> filteredOutFileTypeNames concode_elem_sep Items items concode_field_sep void setVisible concode_elem_sep void loadState concode_elem_sep Items getState concode_elem_sep boolean isFileTypeVisible concode_elem_sep String nameForElement concode_elem_sep Set<String> getFilteredOutFileTypeNames
target: void function ( final Set < String > arg0 ) { this . filteredOutFileTypeNames = arg0 ; }