See http://www.slf4j.org/ Javadocs for the JCLLoggerAdapter are available at http://www.slf4j.org/api/org/slf4j/impl/JCLLoggerAdapter.html
'org.slf4j:slf4j-jcl:1.0.1'
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-jcl</artifactId>
<version>1.0.1</version>
</dependency>
<dependency org="org.slf4j" name="slf4j-jcl" rev="1.0.1"/>
"org.slf4j", "slf4j-jcl", "1.0.1"