#http\Message http\Message::prepend(http\Message $message[, bool $top = true])

Prepend message(s) $message to this message, or the top most message of this message chain.

NOTE:
The message chains must not overlap.

Params:#

• http\Message $message#
  The message (chain) to prepend as parent messages.
• Optional bool $top# = true
  Whether to prepend to the top-most parent message.

Returns:#

• http\Message, self.

Throws:#

• http\Exception\InvalidArgumentException
• http\Exception\UnexpectedValueException