docs: @Override
      public int getIntHeader(String name) {
          int rc = -1;
          String value = this.request.getHeader(name);
          if (null != value) {
              rc = Integer.parseInt(value);
          }
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
              Tr.debug(tc, "getIntHeader: " + name + " " + rc);
          }
          return rc;
      }