@SdkInternalApi
    final RemoveRoleFromDBInstanceResult executeRemoveRoleFromDBInstance(RemoveRoleFromDBInstanceRequest removeRoleFromDBInstanceRequest) {

        ExecutionContext executionContext = createExecutionContext(removeRoleFromDBInstanceRequest);
        AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics();
        awsRequestMetrics.startEvent(Field.ClientExecuteTime);
        Request<RemoveRoleFromDBInstanceRequest> request = null;
        Response<RemoveRoleFromDBInstanceResult> response = null;

        try {
            awsRequestMetrics.startEvent(Field.RequestMarshallTime);
            try {
                request = new RemoveRoleFromDBInstanceRequestMarshaller().marshall(super.beforeMarshalling(removeRoleFromDBInstanceRequest));
                // Binds the request metrics to the current request.
                request.setAWSRequestMetrics(awsRequestMetrics);
                request.addHandlerContext(HandlerContextKey.CLIENT_ENDPOINT, endpoint);
                request.addHandlerContext(HandlerContextKey.ENDPOINT_OVERRIDDEN, isEndpointOverridden());
                request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion());
                request.addHandlerContext(HandlerContextKey.SERVICE_ID, "RDS");
                request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "RemoveRoleFromDBInstance");
                request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig);

            } finally {
                awsRequestMetrics.endEvent(Field.RequestMarshallTime);
            }

            StaxResponseHandler<RemoveRoleFromDBInstanceResult> responseHandler = new StaxResponseHandler<RemoveRoleFromDBInstanceResult>(
                    new RemoveRoleFromDBInstanceResultStaxUnmarshaller());

            response = invoke(request, responseHandler, executionContext);

            return response.getAwsResponse();

        } finally {

            endClientExecution(awsRequestMetrics, request, response);
        }
    }
<p>
Disassociates an Amazon Web Services Identity and Access Management (IAM) role from a DB instance.
</p>

@param removeRoleFromDBInstanceRequest
@return Result of the RemoveRoleFromDBInstance operation returned by the service.
@throws DBInstanceNotFoundException
        <code>DBInstanceIdentifier</code> doesn't refer to an existing DB instance.
@throws DBInstanceRoleNotFoundException
        The specified <code>RoleArn</code> value doesn't match the specified feature for the DB instance.
@throws InvalidDBInstanceStateException
        The DB instance isn't in a valid state.
@sample AmazonRDS.RemoveRoleFromDBInstance
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/rds-2014-10-31/RemoveRoleFromDBInstance" target="_top">AWS
     API Documentation</a>
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/AmazonRDSClient.java