| ClientEndpointConfig.Builder | ClientEndpointConfig.Builder. configurator(ClientEndpointConfig.Configurator clientEndpointConfigurator) | Sets the configurator object for the configuration this builder will build. | 
| static ClientEndpointConfig.Builder | ClientEndpointConfig.Builder. create() | Creates a new builder object with no subprotocols, extensions, encoders, decoders and a nullconfigurator. | 
| ClientEndpointConfig.Builder | ClientEndpointConfig.Builder. decoders(List<Class<? extends Decoder>> decoders) | Assign the list of decoder implementation classes the client will use. | 
| ClientEndpointConfig.Builder | ClientEndpointConfig.Builder. encoders(List<Class<? extends Encoder>> encoders) | Assign the list of encoder implementation classes the client will use. | 
| ClientEndpointConfig.Builder | ClientEndpointConfig.Builder. extensions(List<Extension> extensions) | Set the extensions for the configuration this builder will build. | 
| ClientEndpointConfig.Builder | ClientEndpointConfig.Builder. preferredSubprotocols(List<String> preferredSubprotocols) | Set the preferred sub protocols for the configuration this builder will build. | 
| ClientEndpointConfig.Builder | ClientEndpointConfig.Builder. sslContext(SSLContext sslContext) | Assign the SSLContext to be used when connection to the WebSocket server. |