@Override
    public DescribeActivityResult describeActivity(DescribeActivityRequest request) {
        request = beforeClientExecution(request);
        return executeDescribeActivity(request);
    }
<p>
Describes an activity.
</p>
<note>
<p>
This operation is eventually consistent. The results are best effort and may not reflect very recent updates and
changes.
</p>
</note>

@param describeActivityRequest
@return Result of the DescribeActivity operation returned by the service.
@throws ActivityDoesNotExistException
        The specified activity does not exist.
@throws InvalidArnException
        The provided Amazon Resource Name (ARN) is not valid.
@sample AWSStepFunctions.DescribeActivity
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/states-2016-11-23/DescribeActivity" target="_top">AWS API
     Documentation</a>
aws-java-sdk-stepfunctions/src/main/java/com/amazonaws/services/stepfunctions/AWSStepFunctionsClient.java