You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: telemetry.go
    path of file: ./repos/temporal/common/rpc/interceptor
    
    the code of the file until where you have to start completion: // The MIT License
//
// Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
//
// Copyright (c) 2020 Uber Technologies, Inc.
//
// Permission is hereby gran
    
func (ti *TelemetryInterceptor) unaryOverrideOperationTag(fullName, operation string, req interface{}) string {
	if strings.HasPrefix(fullName, api.WorkflowServicePrefix) {
		// GetWorkflowExecutionHistory method handles both long poll and regular calls.
		// Current plan is to eventually split GetWorkflowExecutionHistory into two APIs,
		// remove this "if" case when that is done.
		if operation == metrics.FrontendGetWorkflowExecutionHistoryScope {
			request := req.(*workflowservice.GetWorkflowExecutionHistoryRequest)
			if request.GetWaitNewEvent() {
				return metrics.FrontendPollWorkflowExecutionHistoryScope
			}
		}
		return operation
	}
	return ti.overrideOperationTag(fullName, operation)
}