# Functions
NewLogger is Logger struct constructor.
SetLogLevel sets log level for log.
SetOutput sets outs for log.
SetStackTraceKey sets stask trace key for log.
SetTimeKey sets time key for log.
# Interfaces
Interface is Logger and TestLogger interface.
# Type aliases
LogLevel is zap's AtomicLevel wrapper.
LogOutType is log's out type (console or file).
TimeKey is zap's TimeKey wrapper.