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/*
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* Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.vm.ci.hotspot;
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import static java.util.Objects.requireNonNull;
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import java.lang.annotation.Annotation;
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import java.lang.reflect.Array;
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import java.lang.reflect.Modifier;
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import jdk.vm.ci.common.JVMCIError;
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import jdk.vm.ci.meta.Assumptions.AssumptionResult;
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import jdk.vm.ci.meta.JavaConstant;
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import jdk.vm.ci.meta.JavaKind;
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import jdk.vm.ci.meta.JavaType;
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import jdk.vm.ci.meta.ResolvedJavaField;
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import jdk.vm.ci.meta.ResolvedJavaMethod;
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import jdk.vm.ci.meta.ResolvedJavaType;
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/**
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* Implementation of {@link JavaType} for primitive HotSpot types.
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*/
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public final class HotSpotResolvedPrimitiveType extends HotSpotResolvedJavaType implements HotSpotProxified {
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private final JavaKind kind;
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/**
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* Creates the JVMCI mirror for a primitive {@link JavaKind}.
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*
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* <p>
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* <b>NOTE</b>: Creating an instance of this class does not install the mirror for the
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* {@link Class} type. Use {@link HotSpotJVMCIRuntimeProvider#fromClass(Class)} instead.
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* </p>
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*
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* @param kind the Kind to create the mirror for
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*/
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public HotSpotResolvedPrimitiveType(JavaKind kind) {
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super(String.valueOf(Character.toUpperCase(kind.getTypeChar())));
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this.kind = kind;
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assert mirror().isPrimitive() : mirror() + " not a primitive type";
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}
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@Override
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public int getModifiers() {
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return Modifier.ABSTRACT | Modifier.FINAL | Modifier.PUBLIC;
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}
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@Override
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public HotSpotResolvedObjectTypeImpl getArrayClass() {
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if (kind == JavaKind.Void) {
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return null;
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}
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Class<?> javaArrayMirror = Array.newInstance(mirror(), 0).getClass();
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return HotSpotResolvedObjectTypeImpl.fromObjectClass(javaArrayMirror);
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}
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public ResolvedJavaType getElementalType() {
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return this;
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}
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@Override
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public ResolvedJavaType getComponentType() {
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return null;
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}
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@Override
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public ResolvedJavaType asExactType() {
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return this;
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}
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@Override
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public ResolvedJavaType getSuperclass() {
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return null;
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}
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@Override
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public ResolvedJavaType[] getInterfaces() {
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return new ResolvedJavaType[0];
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}
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@Override
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public ResolvedJavaType getSingleImplementor() {
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throw new JVMCIError("Cannot call getSingleImplementor() on a non-interface type: %s", this);
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}
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@Override
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public ResolvedJavaType findLeastCommonAncestor(ResolvedJavaType otherType) {
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return null;
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}
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@Override
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public AssumptionResult<Boolean> hasFinalizableSubclass() {
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return new AssumptionResult<>(false);
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}
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@Override
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public boolean hasFinalizer() {
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return false;
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}
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@Override
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public boolean isArray() {
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return false;
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}
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@Override
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public boolean isPrimitive() {
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return true;
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}
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@Override
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public boolean isInitialized() {
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return true;
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}
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public boolean isLinked() {
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return true;
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}
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@Override
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public boolean isInstance(JavaConstant obj) {
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return false;
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}
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@Override
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public boolean isInstanceClass() {
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return false;
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}
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@Override
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public boolean isInterface() {
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return false;
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}
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@Override
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public boolean isAssignableFrom(ResolvedJavaType other) {
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assert other != null;
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return other.equals(this);
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}
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@Override
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public JavaKind getJavaKind() {
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return kind;
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}
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@Override
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public boolean isJavaLangObject() {
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return false;
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}
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@Override
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public ResolvedJavaMethod resolveMethod(ResolvedJavaMethod method, ResolvedJavaType callerType) {
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return null;
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}
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@Override
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public String toString() {
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return "HotSpotResolvedPrimitiveType<" + kind + ">";
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}
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@Override
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public AssumptionResult<ResolvedJavaType> findLeafConcreteSubtype() {
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return new AssumptionResult<>(this);
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}
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@Override
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public AssumptionResult<ResolvedJavaMethod> findUniqueConcreteMethod(ResolvedJavaMethod method) {
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return null;
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}
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@Override
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public ResolvedJavaField[] getInstanceFields(boolean includeSuperclasses) {
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return new ResolvedJavaField[0];
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}
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@Override
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public ResolvedJavaField[] getStaticFields() {
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return new ResolvedJavaField[0];
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}
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@Override
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public Annotation[] getAnnotations() {
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return new Annotation[0];
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}
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@Override
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public <T extends Annotation> T getAnnotation(Class<T> annotationClass) {
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return null;
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}
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@Override
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public ResolvedJavaType resolve(ResolvedJavaType accessingClass) {
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requireNonNull(accessingClass);
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return this;
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}
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@Override
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public void initialize() {
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}
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@Override
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public ResolvedJavaField findInstanceFieldWithOffset(long offset, JavaKind expectedType) {
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return null;
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}
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@Override
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public String getSourceFileName() {
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throw JVMCIError.unimplemented();
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}
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@Override
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public Class<?> mirror() {
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return kind.toJavaClass();
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}
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@Override
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public boolean isLocal() {
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return false;
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}
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@Override
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public boolean isMember() {
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return false;
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}
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@Override
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public ResolvedJavaType getEnclosingType() {
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return null;
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}
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@Override
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public ResolvedJavaMethod[] getDeclaredConstructors() {
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return new ResolvedJavaMethod[0];
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}
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@Override
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public ResolvedJavaMethod[] getDeclaredMethods() {
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return new ResolvedJavaMethod[0];
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}
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@Override
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public ResolvedJavaMethod getClassInitializer() {
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return null;
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}
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@Override
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public boolean isTrustedInterfaceType() {
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return false;
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}
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}
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