XCB_XKB_V_MODS_HIGH_14

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_V_MODS_HIGH_14 = xcb_xkb_v_mods_high_t.XCB_XKB_V_MODS_HIGH_14

Meta