report a warning:
166393
public void rawWarning(int pos, String msg) {
        if (nwarnings < MaxWarnings && emitWarnings) {
            printRawError(pos, "warning: " + msg);
        }
        prompt();
        nwarnings++;
        errWriter.flush();
    }
735532
def warn(self, message, *args, **kwargs):
        
        self._log(logging.WARNING, message, *args, **kwargs)
1310464
def warning(self, s):
        
        print("   WARNING: '%s', %s" % (self.src_id, s), file=sys.stderr)
1172378
function warn(message) {
    root.console && root.console.warn && root.console.warn('WARNING: ' + message);
  }
68074
def warn(self, message, *args, **kwargs):
        """"""
        self.log("warn", message, *args, **kwargs)
148878
public void warn(Object message) {
        differentiatedLog(null, CATEGORY_FQCN, LocationAwareLogger.WARN_INT, message, null);
    }
379030
function () {
        var prefix = 'WARN';
        this.output(prefix, prefix.yellow, Array.prototype.slice.call(arguments));
    }
161557
def warn(msg, level=0, prefix=True):
    
    if will_print(level):
        printer(("WARNING: " if prefix else "") + msg, "yellow")
576678
function warning() {
  var args = [LEVELS.WARNING].concat(slice.apply(arguments));
  return this.log.apply(this, args);
}
1215785
public void warnf(Throwable t, String format, Object... params) {
        doLogf(Level.WARN, FQCN, format, params, t);
    }
219746
def warn(self, message):
        
        if message not in self._warnings:
            self._warnings.append(message)

        self.logger.warn(message)
702422
public void warnv(Throwable t, String format, Object... params) {
        doLog(Level.WARN, FQCN, format, params, t);
    }
474406
def warning(self, request, message, extra_tags='', fail_silently=False):
        """"""
        add(self.target_name, request, constants.WARNING, message, extra_tags=extra_tags,
            fail_silently=fail_silently)
1042667
public void warning(LintCategory lc, Warning warningKey) {
        report(diags.warning(lc, null, null, warningKey));
    }
517840
def warning(self, msg, indent=0, **kwargs):
        """"""
        return self.logger.warning(self._indent(msg, indent), **kwargs)
1070140
public void warnf(String format, Object... params) {
        doLogf(Level.WARN, FQCN, format, params, null);
    }
216190
public static void warn(Object message) {
		log(Level.WARN, message, null, (Object[])null);
	}