def METHOD_NAME(namespace_name: Optional[pulumi.Input[str]] = None,
                         opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetNamespaceResult]:
    """
    Data source for managing an AWS Redshift Serverless Namespace.
    ## Example Usage
    ```python
    import pulumi
    import pulumi_aws as aws
    example = aws.redshiftserverless.get_namespace(namespace_name="example-namespace")
    ```
    :param str namespace_name: The name of the namespace.
    """
    ...