GIT_OID_HEX_ZERO

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 && !GIT_EXPERIMENTAL_SHA256)
extern (C) nothrow @nogc public deprecated
enum GIT_OID_HEX_ZERO = libgit2.oid.GIT_OID_SHA1_HEXZERO;

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