| Name | Description | Type | Package | Framework |
| AbstractBeanSelectionProvider | Class | org.apache.struts2.config | Apache Struts | |
| DefaultBeanSelectionProvider | Selects the implementations of key framework extension points, using the loaded property constants. | Class | org.apache.struts2.config | Apache Struts |
| DefaultPropertiesProvider | Loads the default properties, separate from the usual struts. | Class | org.apache.struts2.config | Apache Struts |
| DefaultSettings | DefaultSettings implements optional methods of Settings. | Class | org.apache.struts2.config | Apache Struts |
| NullResult | Null result to get around annotation defaults that can't be nullSee Also:Serialized Form | Class | org.apache.struts2.config | Apache Struts |
| PropertiesConfigurationProvider | Class | org.apache.struts2.config | Apache Struts | |
| StrutsXmlConfigurationProvider | Class | org.apache.struts2.config | Apache Struts | |