XCB_SUBWINDOW_MODE_CLIP_BY_CHILDREN

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_SUBWINDOW_MODE_CLIP_BY_CHILDREN = xcb_subwindow_mode_t.XCB_SUBWINDOW_MODE_CLIP_BY_CHILDREN

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