shillelagh-processor/src/main/java/shillelagh/internal/ShillelaghLogger.java
void d(String message, Object... args) {
    if (DEBUG) {
      messenger.printMessage(NOTE, formatString(message, args));
    }
  }
void d(String message, Object... args) {
    if (DEBUG) {
      messenger.printMessage(NOTE, formatString(message, args));
    }
  }
Print out debug logs, will only print if {@link shillelagh.internal.ShillelaghProcessor#DEBUG}
is true.