SAP ABAP Class CL_XLF_ATTR_XML_LANG (xml:lang) is using

• Class (10)
• Interface (7)
• Class Method (15)

#	Object Type	Object Name	Object Description	Note
1	Class Method	CL_ABAP_UNIT_ASSERT - ASSERT_EQUALS	ABAP Unit: Assertions (see longtext)
2	Class Method	CL_ABAP_UNIT_ASSERT - FAIL	ABAP Unit: Assertions (see longtext)
3	Class Method	CL_XLF_ATTRIBUTE - CLONE	Basic attribute implementation
4	Class Method	CL_XLF_ATTR_XML_LANG - INIT_XML_LANG	xml:lang
5	Class Method	CL_XLF_RFC5646_PARSER - PARSE	RFC5646 language tag parser
6	Class Method	CL_XLF_XML_ATTRIBUTE - INIT_XML_ATTRIBUTE	Basic XML attribute implementation
7	Class Method	IF_XLF_ATTRIBUTE - EQUALS	Basic interface for all attributes
8	Class Method	IF_XLF_ATTRIBUTE - GET_VALUE	Basic interface for all attributes
9	Class Method	IF_XLF_ATTR_XML_LANG - CLONE	xml:lang
10	Class Method	IF_XLF_ATTR_XML_LANG - CLONE	xml:lang
11	Class Method	IF_XLF_ATTR_XML_LANG - EQUALS	xml:lang
12	Class Method	IF_XLF_ATTR_XML_LANG - GET_VALUE	xml:lang
13	Class Method	IF_XLF_COMPARABLE - EQUALS	Comparable object
14	Class Method	IF_XLF_XML_ATTRIBUTE - EQUALS	Basic interface for all XML attributes
15	Class Method	IF_XLF_XML_ATTRIBUTE - GET_VALUE	Basic interface for all XML attributes