gets the zero-based part of the group . this method returns for the group `` first '' , `` second '' , `` first '' if 0 is passed asposition and `` second '' if 1 is passed . concode_field_sep String VALIDATION_EXPR concode_elem_sep String DEF_SEPARTOR concode_elem_sep String[] items concode_field_sep Iterator<Group> iterator concode_elem_sep int size concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep Group removePrefix concode_elem_sep boolean hasItems concode_elem_sep boolean isEmpty concode_elem_sep Group createFromString concode_elem_sep Group createFromString concode_elem_sep Group getParentGroup concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep Group append concode_elem_sep void validate
String function ( final int arg0 ) { return items [ arg0 ] ; }