SAP ABAP Class CL_HDS_TRAVEL_UI_SOURCE (UI Data for Source Fields) is using

• Class (8)
• Table/Structure Field (4)
• Interface (7)
• Message Class (1)
• Message Number (2)
• Class Method (14)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Interface	IF_HDS_LOG	HDS Interface for Logging
2	Interface	IF_HDS_LOG	HDS Interface for Logging
3	Interface	IF_HDS_UI_CONSTANTS	HDS Constants (UI)
4	Interface	IF_HDS_UI_FIELD_SET	Writing Access to Field Properties
5	Interface	IF_HDS_UI_SCREEN_CALLBACK	Callbacks from UI (Front End)
6	Interface	IF_HDS_UI_SCREEN_CALLBACK	Callbacks from UI (Front End)
7	Interface	IF_HDS_UI_SCREEN_CALLBACK	Callbacks from UI (Front End)