Debug prints a message with log level DEBUG.

DebugWithFields prints a message with log level DEBUG and fields.

Error prints a message with log level ERROR.

ErrorWithFields prints a message with log level ERROR and fields.

Fatal prints a message with log level FATAL.

FatalWithFields prints a message with log level FATAL and fields.

Info prints a message with log level Info.

InfoWithFields prints a message with log level INFO and fields.

Warn prints a message with log level INFO.

WarnWithFields prints a message with log level WARN and fields.