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from typing import Optional

from appium.options.common.supports_capabilities import SupportsCapabilities

MJPEG_SERVER_PORT = 'mjpegServerPort'


class MjpegServerPortOption(SupportsCapabilities):
    @property
    def mjpeg_server_port(self) -> Optional[int]:
        """
        Number of the port UiAutomator2 server starts the MJPEG server on.
        """
        return self.get_capability(MJPEG_SERVER_PORT)

    @mjpeg_server_port.setter
    def mjpeg_server_port(self, value: int) -> None:
        """
        The number of the port UiAutomator2 server starts the MJPEG server on.
        If not provided then the screenshots broadcasting service on the remote
        device does not get exposed to a local port (e.g. no adb port forwarding
        is happening).
        """
        self.set_capability(MJPEG_SERVER_PORT, value)