# Uses of Interface
org.opensaml.saml.ext.saml2mdquery.QueryDescriptorType

Packages that use QueryDescriptorType
Package
Description
org.opensaml.saml.ext.saml2mdquery
Interfaces for SAML 2 Metadata Profile for Standalone Query Requesters.
org.opensaml.saml.ext.saml2mdquery.impl
Implementation for SAML v2.0 Metadata Extension for Stand-Alone Query Requesters.

## Uses of QueryDescriptorType in org.opensaml.saml.ext.saml2mdquery

Subinterfaces of QueryDescriptorType in org.opensaml.saml.ext.saml2mdquery
Modifier and Type
Interface
Description
`interface`
`AttributeQueryDescriptorType`
SAML 2.0 Metadata extension AttributeQueryDescriptorType.
`interface`
`AuthnQueryDescriptorType`
SAML 2.0 Metadata extension AuthnQueryDescriptorType.
`interface`
`AuthzDecisionQueryDescriptorType`
SAML 2.0 Metadata extension AuthzDecisionQueryDescriptorType.

## Uses of QueryDescriptorType in org.opensaml.saml.ext.saml2mdquery.impl

Classes in org.opensaml.saml.ext.saml2mdquery.impl that implement QueryDescriptorType
Modifier and Type
Class
Description
`class`
`AttributeQueryDescriptorTypeImpl`
Concrete implementation of `AttributeQueryDescriptorType`.
`class`
`AuthnQueryDescriptorTypeImpl`
Concrete implementation of `AuthnQueryDescriptorType`.
`class`
`AuthzDecisionQueryDescriptorTypeImpl`
Concrete implementation of `AuthzDecisionQueryDescriptorType`.
`class`
`QueryDescriptorTypeImpl`
Concrete implementation of `QueryDescriptorType`.