?uri_string:string ->
?uri:Rdf.Uri.c ->
?literal:string ->
?datatype:Rdf.Uri.c ->
?is_wf_xml:int ->
?xml_language:string ->
?blank:string ->
unit ->
object ('a)
method clone : 'a
method equals : 'a -> bool
method get_blank_identifier : string
method get_literal_value : Rdf.literal_value
method get_type : Rdf.node_type
method get_uri : Rdf.Uri.c
method is_blank : bool
method is_literal : bool
method is_resource : bool
method is_valid : bool
method repr : Rdf.repr
method to_string : string
end