This schema defines EFI and Framework Attribute. Only attributeGroups are specified in this file. These attributes are for the Pcds listed in PcdData, PcdEntry and/or PcdBuildData entries. PcdUsage is only valid for PcdItemTypes = FEATURE_FLAG Attributes are either compressable and/or sequence order binding Attributes for Sections, EncapsulationTag, EncapsulationType and FeatureFlag