GIT_REF_OID

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 deprecated
enum GIT_REF_OID = libgit2_d.types.git_reference_t.GIT_REFERENCE_DIRECT;

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