| ContextResolver | Contract for a provider that supplies context information to resource classes and other providers. | 
| ExceptionMapper | Contract for a provider that maps Java exceptions to  Response. | 
| InterceptorContext | Context shared by message body interceptors that can be used to wrap calls to
  MessageBodyReader.readFrom(java.lang.Class<T>, java.lang.reflect.Type, java.lang.annotation.Annotation[], jakarta.ws.rs.core.MediaType, jakarta.ws.rs.core.MultivaluedMap<java.lang.String, java.lang.String>, java.io.InputStream) and  MessageBodyWriter.writeTo(T, java.lang.Class<?>, java.lang.reflect.Type, java.lang.annotation.Annotation[], jakarta.ws.rs.core.MediaType, jakarta.ws.rs.core.MultivaluedMap<java.lang.String, java.lang.Object>, java.io.OutputStream). | 
| MessageBodyReader | Contract for a provider that supports the conversion of a stream to a Java type. | 
| MessageBodyWriter | Contract for a provider that supports the conversion of a Java type to a stream. | 
| ParamConverter | Defines a contract for a delegate responsible for converting between a Stringform of a message parameter
 value and the corresponding custom Java typeT. | 
| ReaderInterceptorContext | Context class used by  ReaderInterceptor to intercept calls to (@link
 jakarta.ws.rs.ext.MessageBodyReader#readFrom}. | 
| RuntimeDelegate | Implementations of JAX-RS provide a concrete subclass of RuntimeDelegate and various JAX-RS API methods defer to
 methods of RuntimeDelegate for their functionality. | 
| RuntimeDelegate.HeaderDelegate | Defines the contract for a delegate that is responsible for converting between the String form of a HTTP header and
 the corresponding JAX-RS type T. | 
| WriterInterceptorContext |  |