kubernetes/vendor/go.etcd.io/etcd/client/pkg/v3/logutil/zap.go

// CreateDefaultZapLogger creates a logger with default zap configuration
func CreateDefaultZapLogger(level zapcore.Level) (*zap.Logger, error) { … }

var DefaultZapLoggerConfig …

// MergeOutputPaths merges logging output paths, resolving conflicts.
func MergeOutputPaths(cfg zap.Config) zap.Config { … }