# Uses of Interface
java.lang.classfile.ClassElement

Packages that use ClassElement
Package
Description
java.lang.classfile
Provides classfile parsing, generation, and transformation library.
java.lang.classfile.attribute
Provides interfaces describing `class` file attributes for the `java.lang.classfile` library.

## Uses of ClassElement in java.lang.classfile

Subinterfaces of ClassElement in java.lang.classfile
Modifier and Type
Interface
Description
`interface`
`AccessFlags`
Models the access flags for a class, method, or field.
`interface`
`ClassFileVersion`
Models the minor and major version numbers of a `class` file (JVMS 4.1).
`interface`
`FieldModel`
Models a field.
`interface`
`Interfaces`
Models the interfaces (JVMS 4.1) of a class.
`interface`
`MethodModel`
Models a method.
`interface`
`Superclass`
Models the superclass (JVMS 4.1) of a class.
Classes in java.lang.classfile that implement ClassElement
Modifier and Type
Class
Description
`class`
`CustomAttribute<T extends CustomAttribute<T>>`
Models a user-defined attribute in a `class` file.
Subinterfaces with type arguments of type ClassElement in java.lang.classfile
Modifier and Type
Interface
Description
`interface`
`ClassBuilder`
A builder for a `class` file.
`interface`
`ClassModel`
Models a `class` file.
`interface`
`ClassTransform`
A transformation on streams of `ClassElement`.
Method parameters in java.lang.classfile with type arguments of type ClassElement
Modifier and Type
Method
Description
`static ClassTransform`
ClassTransform.`dropping(Predicate<ClassElement> filter)`
Creates a class transform that passes each element through to the builder, except for those that the supplied `Predicate` returns true for.

## Uses of ClassElement in java.lang.classfile.attribute

Subinterfaces of ClassElement in java.lang.classfile.attribute
Modifier and Type
Interface
Description
`interface`
`CompilationIDAttribute`
Models the `CompilationID` attribute, which records the compilation time of the `class` file.
`interface`
`DeprecatedAttribute`
Models the `Deprecated` attribute (JVMS 4.7.15), which indicates this structure has been superseded.
`interface`
`EnclosingMethodAttribute`
Models the `EnclosingMethod` attribute (JVMS 4.7.7), which indicates that this class is a local or anonymous class, and indicates the enclosing method or constructor of this class if this class is enclosed in exactly one method or constructor.
`interface`
`InnerClassesAttribute`
Models the `InnerClasses` attribute (JVMS 4.7.6), which records which classes referenced by this `class` file are nested classes.
`interface`
`ModuleAttribute`
Models the `Module` attribute (JVMS 4.7.25), which always appears on classes that represent module descriptors.
`interface`
`ModuleHashesAttribute`
Models the `ModuleHashes` attribute, which appears on classes that represent module descriptors to capture the hashes of a set of co-delivered modules.
`interface`
`ModuleMainClassAttribute`
Models the `ModuleMainClass` attribute (JVMS 4.7.27), which appears on classes that represent module descriptors to indicate the main class of the module.
`interface`
`ModulePackagesAttribute`
Models the `ModulePackages` attribute (JVMS 4.7.26), which can appear on classes that represent module descriptors to indicate packages in the module used by the module descriptor.
`interface`
`ModuleResolutionAttribute`
Models the `ModuleResolution` attribute, which can appear on classes that represent module descriptors, to capture resolution metadata for modules.
`interface`
`ModuleTargetAttribute`
Models the `ModuleTarget` attribute, which can appear on classes that represent module descriptors, to represent constraints on the target platform.
`interface`
`NestHostAttribute`
Models the `NestHost` attribute (JVMS 4.7.28), which indicates this class is a member of a nest and the host class of the nest.
`interface`
`NestMembersAttribute`
Models the `NestMembers` attribute (JVMS 4.7.29), which indicates that this class is the host of a nest and the other nest members.
`interface`
`PermittedSubclassesAttribute`
Models the `PermittedSubclasses` attribute (JVMS 4.7.31), which indicates this class or interface is sealed, and which classes or interfaces may extend or implement this class or interface.
`interface`
`RecordAttribute`
Models the `Record` attribute (JVMS 4.7.30), which indicates that this class is a record class and the record components.
`interface`
`RuntimeInvisibleAnnotationsAttribute`
Models the `RuntimeInvisibleAnnotations` attribute (JVMS 4.7.17), which stores declaration annotations on this structure that are visible to `class` file consumers but are not visible to core reflection.
`interface`
`RuntimeInvisibleTypeAnnotationsAttribute`
Models the `RuntimeInvisibleTypeAnnotations` attribute (JVMS 4.7.21), which stores type-use annotations for the annotated uses of types in this structure that are visible to `class` file consumers but are not visible to core reflection.
`interface`
`RuntimeVisibleAnnotationsAttribute`
Models the `RuntimeVisibleAnnotations` attribute (JVMS 4.7.16), which stores declaration annotations on this structure that are visible to both `class` file consumers and core reflection.
`interface`
`RuntimeVisibleTypeAnnotationsAttribute`
Models the `RuntimeVisibleTypeAnnotations` attribute (JVMS 4.7.20), which stores type-use annotations for the annotated uses of types in this structure that are visible to both `class` file consumers and core reflection.
`interface`
`SignatureAttribute`
Models the `Signature` attribute (JVMS 4.7.9), which indicates the generic signature of this structure.
`interface`
`SourceDebugExtensionAttribute`
Models the `SourceDebugExtension` attribute (JVMS 4.7.11), which stores arbitrary modified UTF-8 data.
`interface`
`SourceFileAttribute`
Models the `SourceFile` attribute (JVMS 4.7.10), which indicates the name of the source file from which this `class` file was compiled.
`interface`
`SourceIDAttribute`
Models the `SourceID` attribute, which records the last modified time of the source file from which this `class` file was compiled.
`interface`
`SyntheticAttribute`
Models the `Synthetic` attribute (JVMS 4.7.8), which marks a class member as implementation-specific artifacts.
`interface`
`UnknownAttribute`
Models an unknown attribute read from a `class` file.