libeclipse-core-resources-java 3.13.200+eclipse4.10-1~18.04 (amd64 binary) in ubuntu bionic

 The Eclipse Platform Resources component provides the fundamental model
 underlying the IDE portion of the Eclipse Platform. This includes the
 central concepts of resources (projects, folders, and files), builders,
 natures, resource change listeners, etc.
 .
 This package contains the org.eclipse.core.resources bundle.