question: interns a string . concode_field_sep TreeString node concode_elem_sep Map<String,Child> children concode_elem_sep Child root concode_elem_sep Map<String,Child> NO_CHILDREN concode_field_sep Child split concode_elem_sep int commonPrefix concode_elem_sep void makeWritable concode_elem_sep void dedup concode_elem_sep void dedup
target: TreeString function ( final String arg0 ) { if ( arg0 == null ) return null ; return root . intern ( arg0 ) . node ; }