docs: private void processFunctions(FileData coverageData, StringBuilder lcov) {
          int total = 0;
          int hit = 0;
          for (int functionNumber = 0; functionNumber < coverageData.getFunctions().size(); functionNumber++) {
              total++;
              Integer functionHits = coverageData.getFunctions().get(functionNumber);
              if (functionHits > 0)
                  hit++;
  
              String functionName = "" + functionNumber;
              lcov.append(format(functionData, functionHits, functionName));
          }
  
          lcov.append(format(functionFound, total));
          lcov.append(format(functionHit, hit));
      }