OutgoingMessageBuilder

interface OutgoingMessageBuilder<T : Message>

A MessageBuilder is used for constructing Message objects. This interface contains the shared components of OutgoingRequestBuilder and OutgoingResponseBuilder

body	`abstract fun body(data: Data): OutgoingMessageBuilder<T>` `abstract fun body(stream: InputStream): OutgoingMessageBuilder<T>` Body of the coap message
build	`abstract fun build(): T` Build Coap Message
option	`abstract fun option(option: Option): OutgoingMessageBuilder<T>` Add an option to coap message
progressObserver	`abstract fun progressObserver(progressObserver: Observer<Int>): OutgoingMessageBuilder<T>` Progress Observer of the coap message

abstract class BaseOutgoingMessageBuilder<T : Message> : OutgoingMessageBuilder<T>

Base class for MessageBuilder providing common implementation