EFI_ACPI_5_1_MPST_MEMORY_POWER_STATE_CHARACTERISTICS_STRUCTURE_FLAG_AUTONOMOUS_MEMORY_POWER_STATE_EXIT

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_5_1_MPST_MEMORY_POWER_STATE_CHARACTERISTICS_STRUCTURE_FLAG_AUTONOMOUS_MEMORY_POWER_STATE_EXIT = 0x04;

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