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Adapted (moved from java.beans to ajava.beans) OpenJDK8 javabeans for Android. It's used by A-Jetty (Jetty 9.2 adapted for Android.)
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/*
 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package sun.reflect;

import java.lang.reflect.*;

/** An interface which gives privileged packages Java-level access to
    internals of java.lang.reflect. */

public interface LangReflectAccess {
    /** Creates a new java.lang.reflect.Field. Access checks as per
        java.lang.reflect.AccessibleObject are not overridden. */
    public Field newField(Class declaringClass,
                          String name,
                          Class type,
                          int modifiers,
                          int slot,
                          String signature,
                          byte[] annotations);

    /** Creates a new java.lang.reflect.Method. Access checks as per
      java.lang.reflect.AccessibleObject are not overridden. */
    public Method newMethod(Class declaringClass,
                            String name,
                            Class[] parameterTypes,
                            Class returnType,
                            Class[] checkedExceptions,
                            int modifiers,
                            int slot,
                            String signature,
                            byte[] annotations,
                            byte[] parameterAnnotations,
                            byte[] annotationDefault);

    /** Creates a new java.lang.reflect.Constructor. Access checks as
      per java.lang.reflect.AccessibleObject are not overridden. */
    public  Constructor newConstructor(Class declaringClass,
                                             Class[] parameterTypes,
                                             Class[] checkedExceptions,
                                             int modifiers,
                                             int slot,
                                             String signature,
                                             byte[] annotations,
                                             byte[] parameterAnnotations);

    /** Gets the MethodAccessor object for a java.lang.reflect.Method */
    public MethodAccessor getMethodAccessor(Method m);

    /** Sets the MethodAccessor object for a java.lang.reflect.Method */
    public void setMethodAccessor(Method m, MethodAccessor accessor);

    /** Gets the ConstructorAccessor object for a
        java.lang.reflect.Constructor */
    public ConstructorAccessor getConstructorAccessor(Constructor c);

    /** Sets the ConstructorAccessor object for a
        java.lang.reflect.Constructor */
    public void setConstructorAccessor(Constructor c,
                                       ConstructorAccessor accessor);

    /** Gets the byte[] that encodes TypeAnnotations on an Executable. */
    public byte[] getExecutableTypeAnnotationBytes(Executable ex);

    /** Gets the "slot" field from a Constructor (used for serialization) */
    public int getConstructorSlot(Constructor c);

    /** Gets the "signature" field from a Constructor (used for serialization) */
    public String getConstructorSignature(Constructor c);

    /** Gets the "annotations" field from a Constructor (used for serialization) */
    public byte[] getConstructorAnnotations(Constructor c);

    /** Gets the "parameterAnnotations" field from a Constructor (used for serialization) */
    public byte[] getConstructorParameterAnnotations(Constructor c);

    //
    // Copying routines, needed to quickly fabricate new Field,
    // Method, and Constructor objects from templates
    //

    /** Makes a "child" copy of a Method */
    public Method      copyMethod(Method arg);

    /** Makes a "child" copy of a Field */
    public Field       copyField(Field arg);

    /** Makes a "child" copy of a Constructor */
    public  Constructor copyConstructor(Constructor arg);
}