@SdkInternalApi
    final DeleteLFTagResult executeDeleteLFTag(DeleteLFTagRequest deleteLFTagRequest) {

        ExecutionContext executionContext = createExecutionContext(deleteLFTagRequest);
        AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics();
        awsRequestMetrics.startEvent(Field.ClientExecuteTime);
        Request<DeleteLFTagRequest> request = null;
        Response<DeleteLFTagResult> response = null;

        try {
            awsRequestMetrics.startEvent(Field.RequestMarshallTime);
            try {
                request = new DeleteLFTagRequestProtocolMarshaller(protocolFactory).marshall(super.beforeMarshalling(deleteLFTagRequest));
                // 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, "LakeFormation");
                request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "DeleteLFTag");
                request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig);

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

            HttpResponseHandler<AmazonWebServiceResponse<DeleteLFTagResult>> responseHandler = protocolFactory.createResponseHandler(
                    new JsonOperationMetadata().withPayloadJson(true).withHasStreamingSuccessResponse(false), new DeleteLFTagResultJsonUnmarshaller());
            response = invoke(request, responseHandler, executionContext);

            return response.getAwsResponse();

        } finally {

            endClientExecution(awsRequestMetrics, request, response);
        }
    }
<p>
Deletes the specified LF-tag given a key name. If the input parameter tag key was not found, then the operation
will throw an exception. When you delete an LF-tag, the <code>LFTagPolicy</code> attached to the LF-tag becomes
invalid. If the deleted LF-tag was still assigned to any resource, the tag policy attach to the deleted LF-tag
will no longer be applied to the resource.
</p>

@param deleteLFTagRequest
@return Result of the DeleteLFTag operation returned by the service.
@throws EntityNotFoundException
        A specified entity does not exist.
@throws InvalidInputException
        The input provided was not valid.
@throws InternalServiceException
        An internal service error occurred.
@throws OperationTimeoutException
        The operation timed out.
@throws AccessDeniedException
        Access to a resource was denied.
@sample AWSLakeFormation.DeleteLFTag
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/lakeformation-2017-03-31/DeleteLFTag" target="_top">AWS API
     Documentation</a>
aws-java-sdk-lakeformation/src/main/java/com/amazonaws/services/lakeformation/AWSLakeFormationClient.java