def METHOD_NAME(communications_gateway_name: Optional[pulumi.Input[str]] = None,
                         resource_group_name: Optional[pulumi.Input[str]] = None,
                         test_line_name: Optional[pulumi.Input[str]] = None,
                         opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetTestLineResult]:
    """
    Get a TestLine
    :param str communications_gateway_name: Unique identifier for this deployment
    :param str resource_group_name: The name of the resource group. The name is case insensitive.
    :param str test_line_name: Unique identifier for this test line
    """
    ...