GIT_IDXENTRY_NAMEMASK

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
version(!GIT_DEPRECATE_HARD)
extern (C) nothrow @nogc public deprecated
enum GIT_IDXENTRY_NAMEMASK = libgit2.index.GIT_INDEX_ENTRY_NAMEMASK;

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