returns the content of this attributes , or null if no content was included concode_field_sep Set<Attribute> attributes concode_elem_sep String id concode_elem_sep URI category concode_elem_sep Node content concode_field_sep String encode concode_elem_sep void encode concode_elem_sep Set<Attribute> getAttributes concode_elem_sep URI getCategory concode_elem_sep String getId concode_elem_sep Attributes getInstance
Node function ( ) { return content ; }