code: @Pure
  	public static org.arakhne.afc.vmutil.caller.Caller getCaller() {
  		synchronized (Caller.class) {
  			if (caller == null) {
  				caller = new StackTraceCaller();
  			}
  			return caller;
  		}
  	}
docs: Replies the stack trace mamager used by this utility
  class.
  
  @return the stack trace mamager.