returns the singleton instance of this class . concode_field_sep NioFilesWrapper INSTANCE concode_field_sep boolean isSymbolicLink concode_elem_sep boolean isRegularFile concode_elem_sep boolean notExists concode_elem_sep boolean exists concode_elem_sep boolean isExecutable concode_elem_sep boolean isWritable concode_elem_sep boolean isReadable concode_elem_sep boolean isDirectory
NioFilesWrapper function ( ) { return INSTANCE ; }