File list (Check if you may need any files):
xf_schema
.........\com
.........\...\xf
.........\...\..\schema
.........\...\..\......\ISchemaBranch.as
.........\...\..\......\ISchemaComponent.as
.........\...\..\......\Schema.as
.........\...\..\......\SchemaAttribute.as
.........\...\..\......\SchemaAttributeGroup.as
.........\...\..\......\SchemaComplexType.as
.........\...\..\......\SchemaData.as
.........\...\..\......\SchemaElement.as
.........\...\..\......\SchemaListData.as
.........\...\..\......\SchemaManager.as
.........\...\..\......\SchemaSequence.as
.........\...\..\......\SchemaSimpleType.as
.........\...\..\......\SchemaType.as
.........\...\..\......\SchemaUtils.as