Uses of Package
org.eclipse.jdt.core

Packages that use org.eclipse.jdt.core

Package	Description
org.eclipse.jdt.apt.core.env	This package contains Eclipse extensions to some of the Sun annotation processing APIs.
org.eclipse.jdt.apt.core.util	This package contains miscellaneous APIs related to Java annotation processing.
org.eclipse.jdt.core	The Java model is the set of classes that model the objects associated with creating, editing, and building a Java program.
org.eclipse.jdt.core.compiler	This package contains compiler associated infrastructure APIs.
org.eclipse.jdt.core.dom	The Java DOM/AST is the set of classes that model the source code of a Java program as a structured document.
org.eclipse.jdt.core.dom.rewrite	The Java DOM/AST rewrite is the set of classes that are used to make changes to an existing DOM/AST tree.
org.eclipse.jdt.core.eval	Provides support for the evaluation of code snippets in a scrapbook or inside the debugger.
org.eclipse.jdt.core.jdom	Provides a support for Java document manipulation through the JDOM model.
org.eclipse.jdt.core.manipulation	Application programming interface for the JDT core manipulation plug-in class.
org.eclipse.jdt.core.provisional
org.eclipse.jdt.core.refactoring	Application programming interface for Java-specified refactoring framework facilities.
org.eclipse.jdt.core.refactoring.descriptors	Application programming interface to access Java refactorings provided by JDT.
org.eclipse.jdt.core.refactoring.participants	Application programming interface to access refactoring participants provided by JDT.
org.eclipse.jdt.core.search	Provides support for searching the workspace Java elements that match a particular description.
org.eclipse.jdt.core.util	Provides a set of tools and utilities for manipulating .class files and Java model elements.
org.eclipse.jdt.debug.eval	Provides a set classes and interfaces that support evaluations in the Java debugger.
org.eclipse.jdt.debug.ui	Provides an implementation of a source locator for the Java debug model.
org.eclipse.jdt.debug.ui.launchConfigurations	Provides an implementation launch configuration tabs for local and remote Java applications.
org.eclipse.jdt.junit	Application programming interfaces for interaction with the Eclipse Java development tools JUnit support.
org.eclipse.jdt.junit.launcher	Application programming interfaces related to launching JUnit tests.
org.eclipse.jdt.junit.model	Application programming interfaces representing test elements as shown in the JUnit view.
org.eclipse.jdt.junit.wizards	Application programming interfaces to implement wizards to create new JUnit testcases.
org.eclipse.jdt.launching	Application programming interfaces for interaction with the Eclipse Java launching support.
org.eclipse.jdt.launching.environments	Application programming interfaces and classes for execution environments.
org.eclipse.jdt.launching.sourcelookup	Application programming interfaces and classes for source lookup.
org.eclipse.jdt.launching.sourcelookup.advanced	Provides advanced source lookup support for the Java debugger.
org.eclipse.jdt.launching.sourcelookup.containers	Provides source lookup support for the Java debugger.
org.eclipse.jdt.ui	Application programming interfaces for interaction with the Eclipse Java User Interface.
org.eclipse.jdt.ui.actions	Application programming interfaces for Eclipse Java User Interface specific actions.
org.eclipse.jdt.ui.cleanup	Application programming interfaces for code clean up.
org.eclipse.jdt.ui.jarpackager	Provides classes and interfaces to generate a JAR file.
org.eclipse.jdt.ui.refactoring	Application programming interfaces for rename refactorings.
org.eclipse.jdt.ui.search	Application programming interfaces for Java search participants..
org.eclipse.jdt.ui.text.folding	Application programming interfaces for interaction with the Eclipse Java Editor folding.
org.eclipse.jdt.ui.text.java	Application programming interfaces for interaction with the Eclipse Java User Interface.
org.eclipse.jdt.ui.text.java.correction	Application programming interfaces for correction proposals.
org.eclipse.jdt.ui.wizards	Application programming interfaces for interaction with the Eclipse Java User Interface wizards.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.apt.core.env

Class	Description
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.apt.core.util

Class	Description
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.core

Class	Description
BindingKey	Utility class to decode or create a binding key.
BufferChangedEvent	A buffer changed event describes how a buffer has changed.
ClasspathContainerInitializer	Abstract base implementation of all classpath container initializer.
ClasspathVariableInitializer	Abstract base implementation of all classpath variable initializers.
CompletionContext	Completion context.
CompletionProposal	Completion proposal.
CompletionRequestor	Abstract base class for a completion requestor which is passed completion proposals as they are generated in response to a code assist request.
ElementChangedEvent	An element changed event describes a change to the structure or contents of a tree of Java elements.
IAccessRule	Describes an access rule to source and class files on a classpath entry.
IAnnotatable	Common protocol for Java elements that can be annotated.
IAnnotation	Represents an annotation on a package declaration, a type, a method, a field or a local variable in a compilation unit or a class file.
IBuffer	A buffer contains the text contents of a resource.
IBufferChangedListener	A listener, which gets notified when the contents of a specific buffer have changed, or when the buffer is closed.
IBufferFactory	Deprecated. Use WorkingCopyOwner instead
IClassFile	Represents a single .class file, holding the binary form of either a type or a module: A class file of type IOrdinaryClassFile has a single child of type IType, a class file of type IModularClassFile has a single child of type IModuleDescription. Class file elements need to be opened before they can be navigated.
IClasspathAttribute	A classpath attribute defines a name/value pair that can be persisted with a classpath entry.
IClasspathAttributeDelta	A delta which describes changes in IClasspathAttribute of a classpath between two discrete points in time.
IClasspathContainer	Interface of a classpath container.
IClasspathEntry	An entry on a Java project classpath identifying one or more package fragment roots.
ICodeAssist	Common protocol for Java elements that support source code assist and code resolve.
ICodeCompletionRequestor	Deprecated. Use CompletionRequestor instead.
ICodeFormatter	Deprecated. Use CodeFormatter instead (note: options have changed)
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
ICompletionRequestor	Deprecated. Use CompletionRequestor instead.
ICorrectionRequestor	A callback interface for receiving java problem correction.
IElementChangedListener	An element changed listener receives notification of changes to Java elements maintained by the Java model.
IField	Represents a field declared in a type.
IImportContainer	Represents an import container is a child of a Java compilation unit that contains all (and only) the import declarations.
IImportDeclaration	Represents an import declaration in Java compilation unit.
IInitializer	Represents a stand-alone instance or class (static) initializer in a type.
IJarEntryResource	A jar entry corresponding to a non-Java resource in an archive IPackageFragment or IPackageFragmentRoot.
IJavaElement	Common protocol for all elements provided by the Java model.
IJavaElementDelta	A Java element delta describes changes in Java element between two discrete points in time.
IJavaModel	Represent the root Java element corresponding to the workspace.
IJavaModelStatus	Represents the outcome of an Java model operation.
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
ILocalVariable	Represents a local variable declared in a method or an initializer.
IMember	Common protocol for Java elements that can be members of types.
IMemberValuePair	Represents a member-value pair of an annotation.
IMethod	Represents a method (or constructor) declared in a type.
IModularClassFile	Represents the class file of a module description ("module-info.class").
IModuleDescription	Represents a Java module descriptor.
IOpenable	Common protocol for Java elements that must be opened before they can be navigated or modified.
IOrdinaryClassFile	Ordinary form of a IClassFile which holds exactly one IType.
IPackageDeclaration	Represents a package declaration in Java compilation unit.
IPackageFragment	A package fragment is a portion of the workspace corresponding to an entire package, or to a portion thereof.
IPackageFragmentRoot	A package fragment root contains a set of package fragments.
IParent	Common protocol for Java elements that contain other Java elements.
IProblemRequestor	A callback interface for receiving java problem as they are discovered by some Java operation.
IRegion	A Java model region describes a hierarchical set of elements.
ISourceManipulation	Common protocol for Java elements that support source code manipulations such as copy, move, rename, and delete.
ISourceRange	A source range defines an element's source coordinates relative to its source buffer.
ISourceReference	Common protocol for Java elements that have associated source code.
IType	Represents either a source type in a compilation unit (either a top-level type, a member type, a local type, an anonymous type or a lambda expression) or a binary type in a class file.
ITypeHierarchy	A type hierarchy provides navigations between a type and its resolved supertypes and subtypes for a specific type or for all types within a region.
ITypeHierarchyChangedListener	A listener which gets notified when a particular type hierarchy object changes.
ITypeParameter	Represents a type parameter defined by a type or a method in a compilation unit or a class file.
ITypeRoot	Represents an entire Java type root (either an ICompilationUnit or an IClassFile).
IWorkingCopy	Deprecated. Use ICompilationUnit instead
JavaCore	The plug-in runtime class for the Java model plug-in containing the core (UI-free) support for Java projects.
JavaCore.JavaCallable
JavaCore.JavaRunnable
JavaModelException	A checked exception representing a failure in the Java model.
WorkingCopyOwner	The owner of an ICompilationUnit handle in working copy mode.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.core.compiler

Class	Description
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IJavaElementDelta	A Java element delta describes changes in Java element between two discrete points in time.
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
JavaModelException	A checked exception representing a failure in the Java model.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.core.dom

Class	Description
IClassFile	Represents a single .class file, holding the binary form of either a type or a module: A class file of type IOrdinaryClassFile has a single child of type IType, a class file of type IModularClassFile has a single child of type IModuleDescription. Class file elements need to be opened before they can be navigated.
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IJavaElement	Common protocol for all elements provided by the Java model.
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
ISourceRange	A source range defines an element's source coordinates relative to its source buffer.
ITypeRoot	Represents an entire Java type root (either an ICompilationUnit or an IClassFile).
JavaModelException	A checked exception representing a failure in the Java model.
WorkingCopyOwner	The owner of an ICompilationUnit handle in working copy mode.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.core.dom.rewrite

Class	Description
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
JavaModelException	A checked exception representing a failure in the Java model.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.core.eval

Class	Description
CompletionRequestor	Abstract base class for a completion requestor which is passed completion proposals as they are generated in response to a code assist request.
ICodeCompletionRequestor	Deprecated. Use CompletionRequestor instead.
ICompletionRequestor	Deprecated. Use CompletionRequestor instead.
IJavaElement	Common protocol for all elements provided by the Java model.
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
IType	Represents either a source type in a compilation unit (either a top-level type, a member type, a local type, an anonymous type or a lambda expression) or a binary type in a class file.
JavaModelException	A checked exception representing a failure in the Java model.
WorkingCopyOwner	The owner of an ICompilationUnit handle in working copy mode.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.core.jdom

Class	Description
IJavaElement	Common protocol for all elements provided by the Java model.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.core.manipulation

Class	Description
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
IMethod	Represents a method (or constructor) declared in a type.
IModuleDescription	Represents a Java module descriptor.
ISourceRange	A source range defines an element's source coordinates relative to its source buffer.
ITypeRoot	Represents an entire Java type root (either an ICompilationUnit or an IClassFile).
JavaModelException	A checked exception representing a failure in the Java model.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.core.provisional

Class	Description
IJavaElement	Common protocol for all elements provided by the Java model.
IModuleDescription	Represents a Java module descriptor.
JavaModelException	A checked exception representing a failure in the Java model.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.core.refactoring

Class	Description
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IJavaElement	Common protocol for all elements provided by the Java model.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.core.refactoring.descriptors

Class	Description
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IJavaElement	Common protocol for all elements provided by the Java model.
IMember	Common protocol for Java elements that can be members of types.
IMethod	Represents a method (or constructor) declared in a type.
IPackageFragment	A package fragment is a portion of the workspace corresponding to an entire package, or to a portion thereof.
IPackageFragmentRoot	A package fragment root contains a set of package fragments.
ISourceRange	A source range defines an element's source coordinates relative to its source buffer.
IType	Represents either a source type in a compilation unit (either a top-level type, a member type, a local type, an anonymous type or a lambda expression) or a binary type in a class file.
JavaModelException	A checked exception representing a failure in the Java model.
WorkingCopyOwner	The owner of an ICompilationUnit handle in working copy mode.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.core.refactoring.participants

Class	Description
IMethod	Represents a method (or constructor) declared in a type.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.core.search

Class	Description
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IJavaElement	Common protocol for all elements provided by the Java model.
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
IMethod	Represents a method (or constructor) declared in a type.
IPackageFragmentRoot	A package fragment root contains a set of package fragments.
IType	Represents either a source type in a compilation unit (either a top-level type, a member type, a local type, an anonymous type or a lambda expression) or a binary type in a class file.
IWorkingCopy	Deprecated. Use ICompilationUnit instead
JavaModelException	A checked exception representing a failure in the Java model.
WorkingCopyOwner	The owner of an ICompilationUnit handle in working copy mode.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.core.util

Class	Description
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
JavaModelException	A checked exception representing a failure in the Java model.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.debug.eval

Class	Description
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.debug.ui

Class	Description
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.debug.ui.launchConfigurations

Class	Description
IJavaElement	Common protocol for all elements provided by the Java model.
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
IType	Represents either a source type in a compilation unit (either a top-level type, a member type, a local type, an anonymous type or a lambda expression) or a binary type in a class file.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.junit

Class	Description
IJavaElement	Common protocol for all elements provided by the Java model.
IType	Represents either a source type in a compilation unit (either a top-level type, a member type, a local type, an anonymous type or a lambda expression) or a binary type in a class file.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.junit.launcher

Class	Description
IJavaElement	Common protocol for all elements provided by the Java model.
IMember	Common protocol for Java elements that can be members of types.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.junit.model

Class	Description
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.junit.wizards

Class	Description
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IMethod	Represents a method (or constructor) declared in a type.
IType	Represents either a source type in a compilation unit (either a top-level type, a member type, a local type, an anonymous type or a lambda expression) or a binary type in a class file.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.launching

Class	Description
IAccessRule	Describes an access rule to source and class files on a classpath entry.
IClasspathAttribute	A classpath attribute defines a name/value pair that can be persisted with a classpath entry.
IClasspathEntry	An entry on a Java project classpath identifying one or more package fragment roots.
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.launching.environments

Class	Description
IAccessRule	Describes an access rule to source and class files on a classpath entry.
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.launching.sourcelookup

Class	Description
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
IPackageFragmentRoot	A package fragment root contains a set of package fragments.
JavaModelException	A checked exception representing a failure in the Java model.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.launching.sourcelookup.advanced

Class	Description
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
IPackageFragmentRoot	A package fragment root contains a set of package fragments.
JavaModelException	A checked exception representing a failure in the Java model.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.launching.sourcelookup.containers

Class	Description
IClasspathContainer	Interface of a classpath container.
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
IPackageFragmentRoot	A package fragment root contains a set of package fragments.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.ui

Class	Description
ElementChangedEvent	An element changed event describes a change to the structure or contents of a tree of Java elements.
IBufferFactory	Deprecated. Use WorkingCopyOwner instead
IClassFile	Represents a single .class file, holding the binary form of either a type or a module: A class file of type IOrdinaryClassFile has a single child of type IType, a class file of type IModularClassFile has a single child of type IModuleDescription. Class file elements need to be opened before they can be navigated.
IClasspathEntry	An entry on a Java project classpath identifying one or more package fragment roots.
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IElementChangedListener	An element changed listener receives notification of changes to Java elements maintained by the Java model.
IField	Represents a field declared in a type.
IInitializer	Represents a stand-alone instance or class (static) initializer in a type.
IJavaElement	Common protocol for all elements provided by the Java model.
IJavaElementDelta	A Java element delta describes changes in Java element between two discrete points in time.
IJavaModel	Represent the root Java element corresponding to the workspace.
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
ILocalVariable	Represents a local variable declared in a method or an initializer.
IMember	Common protocol for Java elements that can be members of types.
IMethod	Represents a method (or constructor) declared in a type.
IPackageFragment	A package fragment is a portion of the workspace corresponding to an entire package, or to a portion thereof.
IPackageFragmentRoot	A package fragment root contains a set of package fragments.
ISourceReference	Common protocol for Java elements that have associated source code.
IType	Represents either a source type in a compilation unit (either a top-level type, a member type, a local type, an anonymous type or a lambda expression) or a binary type in a class file.
ITypeHierarchy	A type hierarchy provides navigations between a type and its resolved supertypes and subtypes for a specific type or for all types within a region.
ITypeParameter	Represents a type parameter defined by a type or a method in a compilation unit or a class file.
ITypeRoot	Represents an entire Java type root (either an ICompilationUnit or an IClassFile).
IWorkingCopy	Deprecated. Use ICompilationUnit instead
JavaModelException	A checked exception representing a failure in the Java model.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.ui.actions

Class	Description
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IField	Represents a field declared in a type.
IJavaElement	Common protocol for all elements provided by the Java model.
IMethod	Represents a method (or constructor) declared in a type.
JavaModelException	A checked exception representing a failure in the Java model.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.ui.cleanup

Class	Description
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.ui.jarpackager

Class	Description
IPackageFragment	A package fragment is a portion of the workspace corresponding to an entire package, or to a portion thereof.
IType	Represents either a source type in a compilation unit (either a top-level type, a member type, a local type, an anonymous type or a lambda expression) or a binary type in a class file.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.ui.refactoring

Class	Description
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IField	Represents a field declared in a type.
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
ILocalVariable	Represents a local variable declared in a method or an initializer.
IMethod	Represents a method (or constructor) declared in a type.
IModuleDescription	Represents a Java module descriptor.
IPackageFragment	A package fragment is a portion of the workspace corresponding to an entire package, or to a portion thereof.
IPackageFragmentRoot	A package fragment root contains a set of package fragments.
IType	Represents either a source type in a compilation unit (either a top-level type, a member type, a local type, an anonymous type or a lambda expression) or a binary type in a class file.
ITypeParameter	Represents a type parameter defined by a type or a method in a compilation unit or a class file.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.ui.search

Class	Description
IJavaElement	Common protocol for all elements provided by the Java model.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.ui.text.folding

Class	Description
IJavaElement	Common protocol for all elements provided by the Java model.
IMember	Common protocol for Java elements that can be members of types.
ISourceReference	Common protocol for Java elements that have associated source code.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.ui.text.java

Class	Description
CompletionContext	Completion context.
CompletionProposal	Completion proposal.
CompletionRequestor	Abstract base class for a completion requestor which is passed completion proposals as they are generated in response to a code assist request.
IClasspathEntry	An entry on a Java project classpath identifying one or more package fragment roots.
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
IType	Represents either a source type in a compilation unit (either a top-level type, a member type, a local type, an anonymous type or a lambda expression) or a binary type in a class file.
JavaModelException	A checked exception representing a failure in the Java model.

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.ui.text.java.correction

Class	Description
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).

Classes in org.eclipse.jdt.core used by org.eclipse.jdt.ui.wizards

Class	Description
IClasspathAttribute	A classpath attribute defines a name/value pair that can be persisted with a classpath entry.
IClasspathEntry	An entry on a Java project classpath identifying one or more package fragment roots.
ICompilationUnit	Represents an entire Java compilation unit (source file with one of the Java-like extensions).
IJavaElement	Common protocol for all elements provided by the Java model.
IJavaProject	A Java project represents a view of a project resource in terms of Java elements such as package fragments, types, methods and fields.
IMethod	Represents a method (or constructor) declared in a type.
IPackageFragment	A package fragment is a portion of the workspace corresponding to an entire package, or to a portion thereof.
IPackageFragmentRoot	A package fragment root contains a set of package fragments.
IType	Represents either a source type in a compilation unit (either a top-level type, a member type, a local type, an anonymous type or a lambda expression) or a binary type in a class file.