question: returns true if the given namespaceuri is empty or if it matches the given expected namespace concode_field_sep String EXCHANGE_PROPERTY concode_elem_sep String DEFAULT_NAMESPACE concode_elem_sep Map<String,String> namespaces concode_elem_sep String IN_NAMESPACE concode_elem_sep String OUT_NAMESPACE concode_elem_sep String FUNCTION_NAMESPACE concode_elem_sep String ENVIRONMENT_VARIABLES concode_elem_sep String SYSTEM_PROPERTIES_NAMESPACE concode_field_sep Namespaces add concode_elem_sep Namespaces add concode_elem_sep XPathExpression xpath concode_elem_sep XPathExpression xpath concode_elem_sep XQueryExpression xquery concode_elem_sep XQueryExpression xquery concode_elem_sep Map<String,String> getNamespaces concode_elem_sep void configure
target: boolean function ( String arg0 , String arg1 ) { return ObjectHelper . isEmpty ( arg0 ) || arg0 . equals ( arg1 ) ; }