EC2 > Enums > MetadataDefaultHttpTokensState MetadataDefaultHttpTokensState¶ Enum Class¶ MetadataDefaultHttpTokensState ¶ Bases: UnknownEnumMixin, StrEnum Attributes¶ NO_PREFERENCE class-attribute instance-attribute ¶ NO_PREFERENCE = 'no-preference' OPTIONAL class-attribute instance-attribute ¶ OPTIONAL = 'optional' REQUIRED class-attribute instance-attribute ¶ REQUIRED = 'required'