13 	return &nullLogger{}
16 type nullLogger struct{}  struct
18 func (l *nullLogger) Log(level Level, msg string, args ...interface{}) {}  argument
20 func (l *nullLogger) Trace(msg string, args ...interface{}) {}  argument
22 func (l *nullLogger) Debug(msg string, args ...interface{}) {}  argument
24 func (l *nullLogger) Info(msg string, args ...interface{}) {}  argument
26 func (l *nullLogger) Warn(msg string, args ...interface{}) {}  argument
28 func (l *nullLogger) Error(msg string, args ...interface{}) {}  argument
30 func (l *nullLogger) IsTrace() bool { return false }  argument
32 func (l *nullLogger) IsDebug() bool { return false }  argument
34 func (l *nullLogger) IsInfo() bool { return false }  argument
36 func (l *nullLogger) IsWarn() bool { return false }  argument
38 func (l *nullLogger) IsError() bool { return false }  argument
40 func (l *nullLogger) ImpliedArgs() []interface{} { return []interface{}{} }  argument
42 func (l *nullLogger) With(args ...interface{}) Logger { return l }  argument
44 func (l *nullLogger) Name() string { return "" }  argument
46 func (l *nullLogger) Named(name string) Logger { return l }  argument
48 func (l *nullLogger) ResetNamed(name string) Logger { return l }  argument
50 func (l *nullLogger) SetLevel(level Level) {}  argument
52 func (l *nullLogger) StandardLogger(opts *StandardLoggerOptions) *log.Logger {  argument
56 func (l *nullLogger) StandardWriter(opts *StandardLoggerOptions) io.Writer {  argument