The Apache Commons IO library contains utility classes, stream implementations, file filters,

Implementation for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage ...

Core Calcite APIs and engine

Apache Solr (module: solrj)

Standard library for the Scala Programming Language Version 3

Binding/provider for SLF4J, which outputs all events to System.err. Only messages of level INFO and higher are printed.