Binary package “libeclipse-core-expressions-java” in ubuntu bionic

Eclipse Expression Language

 Eclipse Platform defines the set of frameworks and common services that
 collectively make up infrastructure required to support the use of Eclipse
 as a component model, as a Rich Client Platform (RCP) and as a comprehensive
 tool integration platform. The core component provides basic platform
 infrastructure that does not involve any UI.
 .
 This package contains the org.eclipse.core.expressions bundle.