# Source code for pamqp.heartbeat

    # -*- encoding: utf-8 -*-
    """
    AMQP Heartbeat Frame, used to create new Heartbeat frames for sending to a peer

    """
    import struct

    from pamqp import constants

    class Heartbeat(object):
        """Heartbeat frame object mapping class. AMQP Heartbeat frames are mapped
        on to this class for a common access structure to the attributes/data
        values.

        """
        name: str = 'Heartbeat'
        value = struct.pack('>BHI', constants.FRAME_HEARTBEAT, 0, 0) + \
            constants.FRAME_END_CHAR

        @classmethod
        def marshal(cls) -> bytes:
            """Return the binary frame content"""
            return cls.value