def METHOD_NAME(resource_group_name: Optional[pulumi.Input[str]] = None,
                                                  service_endpoint_policy_definition_name: Optional[pulumi.Input[str]] = None,
                                                  service_endpoint_policy_name: Optional[pulumi.Input[str]] = None,
                                                  opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetServiceEndpointPolicyDefinitionResult]:
    """
    Get the specified service endpoint policy definitions from service endpoint policy.
    :param str resource_group_name: The name of the resource group.
    :param str service_endpoint_policy_definition_name: The name of the service endpoint policy definition name.
    :param str service_endpoint_policy_name: The name of the service endpoint policy name.
    """
    ...