code: public static boolean hasExplicitOperationName(String operationName) {
          return operationName != null && !OPERATION_NAME_TRACED.equals(operationName) && !OPERATION_NAME_UNTRACED.equals(operationName);
      }
docs: Return true if {@code operationName} is not {@code null} and not
  {@code OPERATION_NAME_UNTRACED} and not {@code OPERATION_NAME_UNTRACED}.
  
  @param operationName The operation name to check.
  @return See above