EFI_ACPI_4_0_EINJ_ERROR_PLATFORM_UNCORRECTABLE_NONFATAL

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
extern (C)
enum EFI_ACPI_4_0_EINJ_ERROR_PLATFORM_UNCORRECTABLE_NONFATAL = (1 << 10);

Meta