public void setDebug(final boolean debug) {
    this.debug = debug;
  }
Sets the debug mode of the GemFire launcher class. This mutable property of the launcher
enables the user to turn the debug mode on and off programmatically.

@param debug a boolean used to enable or disable debug mode.
@see #isDebugging()
geode-core/src/main/java/org/apache/geode/distributed/AbstractLauncher.java