https://help.eclipse.org/latest/topic/org.eclipse.jdt.doc.isv/reference/api/org/eclipse/jdt/core/dom/CompilationUnit.html
CompilationUnit (Eclipse JDT API Specification)
declaration: package: org.eclipse.jdt.core.dom, class: CompilationUnit
eclipsejdtapispecification
https://codeql.github.com/codeql-standard-libraries/java/semmle/code/java/CompilationUnit.qll/module.CompilationUnit.html
CompilationUnit
API documentation for CodeQL