SLF4J project modules 2.1.0-alpha1

SLF4J API packages

Package	Description
org.slf4j	Core logging interfaces.
org.slf4j.event	SLF4J internal representation of a logging event.
org.slf4j.helpers	Various SLF4J internal utility and helper classes.
org.slf4j.spi	Contains classes and interfaces which are intended for logging backends.