Filter class for Metrics.
        public object Execute(ExecutorContext context)
        {
            var cmdletContext = context as CmdletContext;
            // create request
            var request = new Amazon.S3.Model.PutBucketMetricsConfigurationRequest();

            if (cmdletContext.BucketName != null)
            {
                request.BucketName = cmdletContext.BucketName;
            }
            if (cmdletContext.MetricsId != null)
            {
                request.MetricsId = cmdletContext.MetricsId;
            }

            // populate MetricsConfiguration
            var requestMetricsConfigurationIsNull = true;

            request.MetricsConfiguration = new Amazon.S3.Model.MetricsConfiguration();
            System.String requestMetricsConfiguration_metricsConfiguration_MetricsId = null;
            if (cmdletContext.MetricsConfiguration_MetricsId != null)
            {
                requestMetricsConfiguration_metricsConfiguration_MetricsId = cmdletContext.MetricsConfiguration_MetricsId;
            }
            if (requestMetricsConfiguration_metricsConfiguration_MetricsId != null)
            {
                request.MetricsConfiguration.MetricsId = requestMetricsConfiguration_metricsConfiguration_MetricsId;
                requestMetricsConfigurationIsNull      = false;
            }
            Amazon.S3.Model.MetricsFilter requestMetricsConfiguration_metricsConfiguration_MetricsFilter = null;

            // populate MetricsFilter
            var requestMetricsConfiguration_metricsConfiguration_MetricsFilterIsNull = true;

            requestMetricsConfiguration_metricsConfiguration_MetricsFilter = new Amazon.S3.Model.MetricsFilter();
            Amazon.S3.Model.MetricsFilterPredicate requestMetricsConfiguration_metricsConfiguration_MetricsFilter_metricsFilter_MetricsFilterPredicate = null;
            if (cmdletContext.MetricsFilter_MetricsFilterPredicate != null)
            {
                requestMetricsConfiguration_metricsConfiguration_MetricsFilter_metricsFilter_MetricsFilterPredicate = cmdletContext.MetricsFilter_MetricsFilterPredicate;
            }
            if (requestMetricsConfiguration_metricsConfiguration_MetricsFilter_metricsFilter_MetricsFilterPredicate != null)
            {
                requestMetricsConfiguration_metricsConfiguration_MetricsFilter.MetricsFilterPredicate = requestMetricsConfiguration_metricsConfiguration_MetricsFilter_metricsFilter_MetricsFilterPredicate;
                requestMetricsConfiguration_metricsConfiguration_MetricsFilterIsNull = false;
            }
            // determine if requestMetricsConfiguration_metricsConfiguration_MetricsFilter should be set to null
            if (requestMetricsConfiguration_metricsConfiguration_MetricsFilterIsNull)
            {
                requestMetricsConfiguration_metricsConfiguration_MetricsFilter = null;
            }
            if (requestMetricsConfiguration_metricsConfiguration_MetricsFilter != null)
            {
                request.MetricsConfiguration.MetricsFilter = requestMetricsConfiguration_metricsConfiguration_MetricsFilter;
                requestMetricsConfigurationIsNull          = false;
            }
            // determine if request.MetricsConfiguration should be set to null
            if (requestMetricsConfigurationIsNull)
            {
                request.MetricsConfiguration = null;
            }

            CmdletOutput output;

            // issue call
            var client = Client ?? CreateClient(_CurrentCredentials, _RegionEndpoint);

            try
            {
                var    response       = CallAWSServiceOperation(client, request);
                object pipelineOutput = null;
                pipelineOutput = cmdletContext.Select(response, this);
                output         = new CmdletOutput
                {
                    PipelineOutput  = pipelineOutput,
                    ServiceResponse = response
                };
            }
            catch (Exception e)
            {
                output = new CmdletOutput {
                    ErrorResponse = e
                };
            }

            return(output);
        }