Retrieves and merges the given number of messages.
Retrieves and merges the given number of messages. back to the stack and returns the resulting CommunicationStack. The values of the resulting map are List[Any]: the values of different maps with same keys are collected to the list.
Push a new message to the stack.
Push a new message to the stack.
Pops given number of messages, merges them, pushes the resulting message to the stack.
Pops given number of messages, merges them, pushes the resulting message to the stack.
Underlying stack.
Underlying stack.