| Name | Description | Type | Package | Framework |
| AttributesMap | A skeletal implementation for Map to wrap something with enumeration of attributes, which must be String. | Class | org.zkoss.web.servlet.xel | ZKoss (ZK) |
| PageContext | Represents a page context. | Interface | org.zkoss.web.servlet.xel | ZKoss (ZK) |
| ParameterMap | Represents a parameter map. | Class | org.zkoss.web.servlet.xel | ZKoss (ZK) |
| RequestContext | The context used to simplify the signatures of XEL function. | Interface | org.zkoss.web.servlet.xel | ZKoss (ZK) |
| RequestContexts | RequestContexts maintains a stack of RequestContext to simplify the signatures of the XEL function. | Class | org.zkoss.web.servlet.xel | ZKoss (ZK) |
| RequestScope | Represents the request scope. | Class | org.zkoss.web.servlet.xel | ZKoss (ZK) |
| RequestXelResolver | A XEL variable resolver that is based on Servlet request, response,Since:3. | Class | org.zkoss.web.servlet.xel | ZKoss (ZK) |
| StringKeysMap | A skeletal implementation for Map to wrap something with enumeration of keys, which must be String. | Class | org.zkoss.web.servlet.xel | ZKoss (ZK) |