@Override
    public UpdateMatchingWorkflowResult updateMatchingWorkflow(UpdateMatchingWorkflowRequest request) {
        request = beforeClientExecution(request);
        return executeUpdateMatchingWorkflow(request);
    }
<p>
Updates an existing <code>MatchingWorkflow</code>. This method is identical to
<code>CreateMatchingWorkflow</code>, except it uses an HTTP <code>PUT</code> request instead of a
<code>POST</code> request, and the <code>MatchingWorkflow</code> must already exist for the method to succeed.
</p>

@param updateMatchingWorkflowRequest
@return Result of the UpdateMatchingWorkflow operation returned by the service.
@throws ThrottlingException
        The request was denied due to request throttling.
@throws InternalServerException
        This exception occurs when there is an internal failure in the Entity Resolution service.
@throws ResourceNotFoundException
        The resource could not be found.
@throws AccessDeniedException
        You do not have sufficient access to perform this action.
@throws ValidationException
        The input fails to satisfy the constraints specified by Entity Resolution.
@sample AWSEntityResolution.UpdateMatchingWorkflow
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/entityresolution-2018-05-10/UpdateMatchingWorkflow"
     target="_top">AWS API Documentation</a>
aws-java-sdk-entityresolution/src/main/java/com/amazonaws/services/entityresolution/AWSEntityResolutionClient.java