Literal RDF literals and RDF query-specific literals. A class for handling RDF terms (URI, blank nodes, strings, datatyped literals) as well as those natively used in a query such as boolean, double, floating, integer, regex pattern and variables. @RASQAL_LITERAL_UNKNOWN: @RASQAL_LITERAL_BLANK: @RASQAL_LITERAL_URI: @RASQAL_LITERAL_STRING: @RASQAL_LITERAL_BOOLEAN: @RASQAL_LITERAL_INTEGER: @RASQAL_LITERAL_DOUBLE: @RASQAL_LITERAL_FLOAT: @RASQAL_LITERAL_DECIMAL: @RASQAL_LITERAL_DATETIME: @RASQAL_LITERAL_FIRST_XSD: @RASQAL_LITERAL_LAST_XSD: @RASQAL_LITERAL_PATTERN: @RASQAL_LITERAL_QNAME: @RASQAL_LITERAL_VARIABLE: @RASQAL_LITERAL_LAST: @world: @type: @string: @Returns: @world: @value: @Returns: @world: @string: @Returns: @world: @string: @decimal: @Returns: @world: @d: @Returns: @world: @f: @Returns: @world: @type: @integer: @Returns: @world: @pattern: @flags: @Returns: @world: @type: @string: @Returns: @world: @string: @language: @datatype: @datatype_qname: @Returns: @world: @uri: @Returns: @world: @variable: @Returns: @l: @Returns: @l: @l: @Returns: @l: @Returns: @l: @flags: @error: @Returns: @l: @Returns: @l1: @l2: @flags: @error: @Returns: @l: @Returns: @l1: @l2: @Returns: @l: @fh: @l: @fh: @l: @Returns: