sig
val import_schema :
Processing_context.processing_context ->
Namespace_names.prefix option ->
string -> string option -> Xquery_type_ast.xschema
val import_schema_document :
Processing_context.processing_context ->
Namespace_names.prefix option ->
Streaming_types.resolved_xml_stream -> Xquery_type_ast.xschema
val import_schema_element :
Processing_context.processing_context ->
Namespace_names.prefix option ->
Streaming_types.resolved_xml_stream -> Xquery_type_ast.xschema
end