def METHOD_NAME(application_name: Optional[pulumi.Input[str]] = None,
                           cluster_name: Optional[pulumi.Input[str]] = None,
                           resource_group_name: Optional[pulumi.Input[str]] = None,
                           opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetApplicationResult]:
    """
    Gets properties of the specified application.
    :param str application_name: The constant value for the application name.
    :param str cluster_name: The name of the cluster.
    :param str resource_group_name: The name of the resource group.
    """
    ...