@mikro-orm/coreInterfacesVersion: 5.9On this pageIndexOptions <T>HierarchyUniqueOptions<T>IndexOptionsIndex PropertiesexpressionnameoptionspropertiestypeProperties optionalexpressionexpression?: stringoptionalnamename?: stringoptionaloptionsoptions?: Dictionaryoptionalpropertiesproperties?: keyof T | keyof T[]optionaltypetype?: string