XCB_XKB_SWITCH_SCREEN_FLAG_APPLICATION

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
extern (C)
alias XCB_XKB_SWITCH_SCREEN_FLAG_APPLICATION = xcb_xkb_switch_screen_flag_t.XCB_XKB_SWITCH_SCREEN_FLAG_APPLICATION

Meta