B_DEV_CONFIGURATION_ERROR

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
version(!CRuntime_Microsoft && !CRuntime_Newlib && !linux && !Darwin && !FreeBSD && !NetBSD && !OpenBSD && !DragonFlyBSD && !Solaris && Haiku)
extern (C) @trusted nothrow @nogc
enum B_DEV_CONFIGURATION_ERROR = (B_DEVICE_ERROR_BASE + 16);

Meta