Copyright (c) 2000, 2018 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
    Stephan Herrmann - Contributions for
							bug 349326 - [1.7] new warning for missing try-with-resources
							bug 358903 - Filter practically unimportant resource leak warnings
							bug 381445 - [compiler][resource] Can the resource leak check be made aware of Closeables.closeQuietly?
							bug 400421 - [compiler] Null analysis for fields does not take @com.google.inject.Inject into account
							bug 382069 - [null] Make the null analysis consider JUnit's assertNotNull similarly to assertions
							Bug 405569 - Resource leak check false positive when using DbUtils.closeQuietly
							Bug 427199 - [1.8][resource] avoid resource leak warnings on Streams that have no resource
							Bug 425183 - [1.8][inference] make CaptureBinding18 safe
							Bug 429958 - [1.8][null] evaluate new DefaultLocation attribute of @NonNullByDefault
							Bug 410218 - Optional warning for arguments of "unexpected" types to Map#get(Object), Collection#remove(Object) et al.
   Jesper S Moller - Contributions for
							Bug 405066 - [1.8][compiler][codegen] Implement code generation infrastructure for JSR335
							Bug 412153 - [1.8][compiler] Check validity of annotations which may be repeatable
							bug 527554 - [18.3] Compiler support for JEP 286 Local-Variable Type
   Andy Clement (GoPivotal, Inc) aclement@gopivotal.com - Contributions for
                             Bug 405104 - [1.8][compiler][codegen] Implement support for serializeable lambdas
   Ulrich Grave  - Contributions for
                             bug 386692 - Missing "unused" warning on "autowired" fields
   Pierre-Yves B.  - Contribution for
                             bug 542520 - [JUnit 5] Warning The method xxx from the type X is never used locally is shown when using MethodSource
/*******************************************************************************
 * Copyright (c) 2000, 2018 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Stephan Herrmann - Contributions for
 *								bug 349326 - [1.7] new warning for missing try-with-resources
 *								bug 358903 - Filter practically unimportant resource leak warnings
 *								bug 381445 - [compiler][resource] Can the resource leak check be made aware of Closeables.closeQuietly?
 *								bug 400421 - [compiler] Null analysis for fields does not take @com.google.inject.Inject into account
 *								bug 382069 - [null] Make the null analysis consider JUnit's assertNotNull similarly to assertions
 *								Bug 405569 - Resource leak check false positive when using DbUtils.closeQuietly
 *								Bug 427199 - [1.8][resource] avoid resource leak warnings on Streams that have no resource
 *								Bug 425183 - [1.8][inference] make CaptureBinding18 safe
 *								Bug 429958 - [1.8][null] evaluate new DefaultLocation attribute of @NonNullByDefault
 *								Bug 410218 - Optional warning for arguments of "unexpected" types to Map#get(Object), Collection#remove(Object) et al.
 *    Jesper S Moller - Contributions for
 *								Bug 405066 - [1.8][compiler][codegen] Implement code generation infrastructure for JSR335
 *								Bug 412153 - [1.8][compiler] Check validity of annotations which may be repeatable
 *								bug 527554 - [18.3] Compiler support for JEP 286 Local-Variable Type
 *    Andy Clement (GoPivotal, Inc) aclement@gopivotal.com - Contributions for
 *                              Bug 405104 - [1.8][compiler][codegen] Implement support for serializeable lambdas
 *    Ulrich Grave <ulrich.grave@gmx.de> - Contributions for
 *                              bug 386692 - Missing "unused" warning on "autowired" fields
 *    Pierre-Yves B. <pyvesdev@gmail.com> - Contribution for
 *                              bug 542520 - [JUnit 5] Warning The method xxx from the type X is never used locally is shown when using MethodSource
 *******************************************************************************/
package org.eclipse.jdt.internal.compiler.lookup;

import org.eclipse.jdt.core.compiler.CharOperation;

// TODO should rename into TypeNames (once extracted last non name constants)
public interface TypeConstants {

	char[] JAVA = "java".toCharArray(); //$NON-NLS-1$
	char[] JAVAX = "javax".toCharArray(); //$NON-NLS-1$
	char[] LANG = "lang".toCharArray(); //$NON-NLS-1$
	char[] IO = "io".toCharArray(); //$NON-NLS-1$
	char[] UTIL = "util".toCharArray(); //$NON-NLS-1$
	char[] ZIP = "zip".toCharArray(); //$NON-NLS-1$
	char[] ANNOTATION = "annotation".toCharArray(); //$NON-NLS-1$
	char[] REFLECT = "reflect".toCharArray(); //$NON-NLS-1$
	char[] LENGTH = "length".toCharArray(); //$NON-NLS-1$
	char[] CLONE = "clone".toCharArray(); //$NON-NLS-1$
	char[] EQUALS = "equals".toCharArray(); //$NON-NLS-1$
	char[] GETCLASS = "getClass".toCharArray(); //$NON-NLS-1$
	char[] HASHCODE = "hashCode".toCharArray(); //$NON-NLS-1$
	char[] OBJECT = "Object".toCharArray(); //$NON-NLS-1$
	char[] MAIN = "main".toCharArray(); //$NON-NLS-1$
	char[] SERIALVERSIONUID = "serialVersionUID".toCharArray(); //$NON-NLS-1$
	char[] SERIALPERSISTENTFIELDS = "serialPersistentFields".toCharArray(); //$NON-NLS-1$
	char[] READRESOLVE = "readResolve".toCharArray(); //$NON-NLS-1$
	char[] WRITEREPLACE = "writeReplace".toCharArray(); //$NON-NLS-1$
	char[] READOBJECT = "readObject".toCharArray(); //$NON-NLS-1$
	char[] WRITEOBJECT = "writeObject".toCharArray(); //$NON-NLS-1$
	char[] CharArray_JAVA_LANG_OBJECT = "java.lang.Object".toCharArray(); //$NON-NLS-1$
	char[] CharArray_JAVA_LANG_ENUM = "java.lang.Enum".toCharArray(); //$NON-NLS-1$
	char[] CharArray_JAVA_LANG_ANNOTATION_ANNOTATION = "java.lang.annotation.Annotation".toCharArray(); //$NON-NLS-1$
	char[] CharArray_JAVA_IO_OBJECTINPUTSTREAM = "java.io.ObjectInputStream".toCharArray(); //$NON-NLS-1$
	char[] CharArray_JAVA_IO_OBJECTOUTPUTSTREAM = "java.io.ObjectOutputStream".toCharArray(); //$NON-NLS-1$
	char[] CharArray_JAVA_IO_OBJECTSTREAMFIELD = "java.io.ObjectStreamField".toCharArray(); //$NON-NLS-1$
	char[] ANONYM_PREFIX = "new ".toCharArray(); //$NON-NLS-1$
	char[] ANONYM_SUFFIX = "(){}".toCharArray(); //$NON-NLS-1$
    char[] WILDCARD_NAME = { '?' };
    char[] WILDCARD_SUPER = " super ".toCharArray(); //$NON-NLS-1$
    char[] WILDCARD_EXTENDS = " extends ".toCharArray(); //$NON-NLS-1$
    char[] WILDCARD_MINUS = { '-' };
    char[] WILDCARD_STAR = { '*' };
    char[] WILDCARD_PLUS = { '+' };
    char[] WILDCARD_CAPTURE_NAME_PREFIX = "capture#".toCharArray(); //$NON-NLS-1$
    char[] WILDCARD_CAPTURE_NAME_SUFFIX = "-of ".toCharArray(); //$NON-NLS-1$
    char[] WILDCARD_CAPTURE_SIGNABLE_NAME_SUFFIX = "capture-of ".toCharArray(); //$NON-NLS-1$
	char[] WILDCARD_CAPTURE = { '!' };
	char[] CAPTURE18 = { '^' };
	char[] BYTE = "byte".toCharArray(); //$NON-NLS-1$
	char[] SHORT = "short".toCharArray(); //$NON-NLS-1$
	char[] INT = "int".toCharArray(); //$NON-NLS-1$
	char[] LONG = "long".toCharArray(); //$NON-NLS-1$
	char[] FLOAT = "float".toCharArray(); //$NON-NLS-1$
	char[] DOUBLE = "double".toCharArray(); //$NON-NLS-1$
	char[] CHAR = "char".toCharArray(); //$NON-NLS-1$
	char[] BOOLEAN = "boolean".toCharArray(); //$NON-NLS-1$
	char[] NULL = "null".toCharArray(); //$NON-NLS-1$
	char[] VOID = "void".toCharArray(); //$NON-NLS-1$
    char[] VALUE = "value".toCharArray(); //$NON-NLS-1$
    char[] VALUES = "values".toCharArray(); //$NON-NLS-1$
    char[] VALUEOF = "valueOf".toCharArray(); //$NON-NLS-1$
    char[] UPPER_SOURCE = "SOURCE".toCharArray(); //$NON-NLS-1$
    char[] UPPER_CLASS = "CLASS".toCharArray(); //$NON-NLS-1$
    char[] UPPER_RUNTIME = "RUNTIME".toCharArray(); //$NON-NLS-1$
	char[] ANNOTATION_PREFIX = "@".toCharArray(); //$NON-NLS-1$
	char[] ANNOTATION_SUFFIX = "()".toCharArray(); //$NON-NLS-1$
    char[] TYPE = "TYPE".toCharArray(); //$NON-NLS-1$
    char[] UPPER_FIELD = "FIELD".toCharArray(); //$NON-NLS-1$
    char[] UPPER_METHOD = "METHOD".toCharArray(); //$NON-NLS-1$
    char[] UPPER_PARAMETER = "PARAMETER".toCharArray(); //$NON-NLS-1$
    char[] UPPER_CONSTRUCTOR = "CONSTRUCTOR".toCharArray(); //$NON-NLS-1$
    char[] UPPER_LOCAL_VARIABLE = "LOCAL_VARIABLE".toCharArray(); //$NON-NLS-1$
    char[] UPPER_ANNOTATION_TYPE = "ANNOTATION_TYPE".toCharArray(); //$NON-NLS-1$
    char[] UPPER_PACKAGE = "PACKAGE".toCharArray(); //$NON-NLS-1$
    char[] ANONYMOUS_METHOD = "lambda$".toCharArray(); //$NON-NLS-1$
    char[] DESERIALIZE_LAMBDA = "$deserializeLambda$".toCharArray(); //$NON-NLS-1$
    char[] LAMBDA_TYPE = "<lambda>".toCharArray(); //$NON-NLS-1$
    char[] UPPER_MODULE = "MODULE".toCharArray(); //$NON-NLS-1$

    // JEP 286
	char[] VAR = "var".toCharArray(); //$NON-NLS-1$

    // jsr308
	char[] TYPE_USE_TARGET  = "TYPE_USE".toCharArray(); //$NON-NLS-1$
	char[] TYPE_PARAMETER_TARGET = "TYPE_PARAMETER".toCharArray(); //$NON-NLS-1$
    
    // common 3rd party package components:
    char[] ORG = "org".toCharArray(); //$NON-NLS-1$
    char[] ECLIPSE = "eclipse".toCharArray(); //$NON-NLS-1$
    char[] CORE = "core".toCharArray(); //$NON-NLS-1$
    char[] RUNTIME = "runtime".toCharArray(); //$NON-NLS-1$
    char[] APACHE = "apache".toCharArray(); //$NON-NLS-1$
    char[] COMMONS = "commons".toCharArray(); //$NON-NLS-1$
    char[] LANG3 = "lang3".toCharArray(); //$NON-NLS-1$
    char[] COM = "com".toCharArray(); //$NON-NLS-1$
    char[] GOOGLE = "google".toCharArray(); //$NON-NLS-1$
    char[] JDT = "jdt".toCharArray(); //$NON-NLS-1$
    char[] INTERNAL = "internal".toCharArray(); //$NON-NLS-1$
    char[] COMPILER = "compiler".toCharArray(); //$NON-NLS-1$
    char[] LOOKUP = "lookup".toCharArray(); //$NON-NLS-1$
    char[] TYPEBINDING = "TypeBinding".toCharArray(); //$NON-NLS-1$
    char[] DOM = "dom".toCharArray(); //$NON-NLS-1$
    char[] ITYPEBINDING = "ITypeBinding".toCharArray(); //$NON-NLS-1$
    char[] SPRING = "springframework".toCharArray(); //$NON-NLS-1$
    
	// Constant compound names
	char[][] JAVA_LANG = {JAVA, LANG};
	char[][] JAVA_IO = {JAVA, IO};
	char[][] JAVA_LANG_ANNOTATION = {JAVA, LANG, ANNOTATION};
	char[][] JAVA_LANG_ANNOTATION_ANNOTATION = {JAVA, LANG, ANNOTATION, "Annotation".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_ASSERTIONERROR = {JAVA, LANG, "AssertionError".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_CLASS = {JAVA, LANG, "Class".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_CLASSNOTFOUNDEXCEPTION = {JAVA, LANG, "ClassNotFoundException".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_NOSUCHFIELDERROR = {JAVA, LANG, "NoSuchFieldError".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_CLONEABLE = {JAVA, LANG, "Cloneable".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_ENUM = {JAVA, LANG, "Enum".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_EXCEPTION = {JAVA, LANG, "Exception".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_ERROR = {JAVA, LANG, "Error".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_ILLEGALARGUMENTEXCEPTION = {JAVA, LANG, "IllegalArgumentException".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_ITERABLE = {JAVA, LANG, "Iterable".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_NOCLASSDEFERROR = {JAVA, LANG, "NoClassDefError".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_OBJECT = {JAVA, LANG, OBJECT};
	char[][] JAVA_LANG_STRING = {JAVA, LANG, "String".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_STRINGBUFFER = {JAVA, LANG, "StringBuffer".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_STRINGBUILDER = {JAVA, LANG, "StringBuilder".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_SYSTEM = {JAVA, LANG, "System".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_RUNTIMEEXCEPTION = {JAVA, LANG, "RuntimeException".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_THROWABLE = {JAVA, LANG, "Throwable".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_REFLECT_CONSTRUCTOR = {JAVA, LANG, REFLECT, "Constructor".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_IO_PRINTSTREAM = {JAVA, IO, "PrintStream".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_IO_SERIALIZABLE = {JAVA, IO, "Serializable".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_BYTE = {JAVA, LANG, "Byte".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_SHORT = {JAVA, LANG, "Short".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_CHARACTER = {JAVA, LANG, "Character".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_INTEGER = {JAVA, LANG, "Integer".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_LONG = {JAVA, LANG, "Long".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_FLOAT = {JAVA, LANG, "Float".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_DOUBLE = {JAVA, LANG, "Double".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_BOOLEAN = {JAVA, LANG, "Boolean".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_VOID = {JAVA, LANG, "Void".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_UTIL_COLLECTION = {JAVA, UTIL, "Collection".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_UTIL_ITERATOR = {JAVA, UTIL, "Iterator".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_UTIL_OBJECTS = {JAVA, UTIL, "Objects".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_UTIL_LIST = {JAVA, UTIL, "List".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_DEPRECATED = {JAVA, LANG, "Deprecated".toCharArray()}; //$NON-NLS-1$
	char[] FOR_REMOVAL = "forRemoval".toCharArray(); //$NON-NLS-1$
	char[] SINCE = "since".toCharArray(); //$NON-NLS-1$
	char[][] JAVA_LANG_ANNOTATION_DOCUMENTED = {JAVA, LANG, ANNOTATION, "Documented".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_ANNOTATION_INHERITED = {JAVA, LANG, ANNOTATION, "Inherited".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_ANNOTATION_REPEATABLE = {JAVA, LANG, ANNOTATION, "Repeatable".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_OVERRIDE = {JAVA, LANG, "Override".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_FUNCTIONAL_INTERFACE = {JAVA, LANG, "FunctionalInterface".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_ANNOTATION_RETENTION = {JAVA, LANG, ANNOTATION, "Retention".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_SUPPRESSWARNINGS = {JAVA, LANG, "SuppressWarnings".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_ANNOTATION_TARGET = {JAVA, LANG, ANNOTATION, "Target".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_ANNOTATION_RETENTIONPOLICY = {JAVA, LANG, ANNOTATION, "RetentionPolicy".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_ANNOTATION_ELEMENTTYPE = {JAVA, LANG, ANNOTATION, "ElementType".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_REFLECT_FIELD = new char[][] {JAVA, LANG, REFLECT, "Field".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_REFLECT_METHOD = new char[][] {JAVA, LANG, REFLECT, "Method".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_IO_CLOSEABLE = new char[][] { JAVA, IO, "Closeable".toCharArray()};//$NON-NLS-1$
	char[][] JAVA_IO_OBJECTSTREAMEXCEPTION = new char[][] { JAVA, IO, "ObjectStreamException".toCharArray()};//$NON-NLS-1$
	char[][] JAVA_IO_EXTERNALIZABLE = {JAVA, IO, "Externalizable".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_IO_IOEXCEPTION = new char[][] { JAVA, IO, "IOException".toCharArray()};//$NON-NLS-1$
	char[][] JAVA_IO_OBJECTOUTPUTSTREAM = new char[][] { JAVA, IO, "ObjectOutputStream".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_IO_OBJECTINPUTSTREAM = new char[][] { JAVA, IO, "ObjectInputStream".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_NIO_FILE_FILES = new char[][] { JAVA, "nio".toCharArray(), "file".toCharArray(), "Files".toCharArray() };   //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
	// javax.rmi.CORBA.Stub
	char[][] JAVAX_RMI_CORBA_STUB = new char[][] {
			JAVAX,
			"rmi".toCharArray(), //$NON-NLS-1$
			"CORBA".toCharArray(), //$NON-NLS-1$
			"Stub".toCharArray(), //$NON-NLS-1$
	};
	char[][] JAVA_LANG_SAFEVARARGS =  {JAVA, LANG, "SafeVarargs".toCharArray()}; //$NON-NLS-1$
	char[] INVOKE = "invoke".toCharArray(); //$NON-NLS-1$
	char[][] JAVA_LANG_INVOKE_METHODHANDLE_POLYMORPHICSIGNATURE = { // Signature while parsing binary file
			JAVA,
			LANG,
			INVOKE,
			"MethodHandle".toCharArray(), //$NON-NLS-1$
			"PolymorphicSignature".toCharArray() //$NON-NLS-1$
	};
	char[][] JAVA_LANG_INVOKE_METHODHANDLE_$_POLYMORPHICSIGNATURE = { // Signature while parsing source file
			JAVA,
			LANG,
			INVOKE,
			"MethodHandle$PolymorphicSignature".toCharArray() //$NON-NLS-1$
	};
	char[][] JAVA_LANG_INVOKE_LAMBDAMETAFACTORY = {JAVA, LANG, INVOKE, "LambdaMetafactory".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_INVOKE_SERIALIZEDLAMBDA = {JAVA, LANG, INVOKE, "SerializedLambda".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_INVOKE_METHODHANDLES = {JAVA, LANG, INVOKE, "MethodHandles".toCharArray()}; //$NON-NLS-1$
	char[][] JAVA_LANG_AUTOCLOSEABLE =  {JAVA, LANG, "AutoCloseable".toCharArray()}; //$NON-NLS-1$
	char[] CLOSE = "close".toCharArray(); //$NON-NLS-1$
	// known helper functions for closing a Closeable (all receive a Closeable as their first argument):
	public static class CloseMethodRecord {
		public char[][] typeName;
		public char[] selector;
		public int numCloseableArgs;
		public CloseMethodRecord(char[][] typeName, char[] selector, int num) {
			this.typeName = typeName;
			this.selector = selector;
			this.numCloseableArgs = num;
		}
	}
	char[][] GUAVA_CLOSEABLES = { COM, GOOGLE, "common".toCharArray(), IO, "Closeables".toCharArray() }; //$NON-NLS-1$ //$NON-NLS-2$
	char[][] APACHE_IOUTILS = { ORG, APACHE, COMMONS, IO, "IOUtils".toCharArray() }; //$NON-NLS-1$
	char[][] APACHE_DBUTILS = { ORG, APACHE, COMMONS, "dbutils".toCharArray(), "DbUtils".toCharArray() }; //$NON-NLS-1$ //$NON-NLS-2$
	char[] CLOSE_QUIETLY = "closeQuietly".toCharArray(); //$NON-NLS-1$
	CloseMethodRecord[] closeMethods = new CloseMethodRecord[] {
		new CloseMethodRecord(GUAVA_CLOSEABLES, CLOSE_QUIETLY, 1),
		new CloseMethodRecord(GUAVA_CLOSEABLES, CLOSE, 1),
		new CloseMethodRecord(APACHE_IOUTILS, CLOSE_QUIETLY, 1),
		new CloseMethodRecord(APACHE_DBUTILS, CLOSE, 1),
		new CloseMethodRecord(APACHE_DBUTILS, CLOSE_QUIETLY, 3), // closeQuietly(Connection,Statement,ResultSet) 
		new CloseMethodRecord(APACHE_DBUTILS, "commitAndClose".toCharArray(), 1), //$NON-NLS-1$
		new CloseMethodRecord(APACHE_DBUTILS, "commitAndCloseQuietly".toCharArray(), 1), //$NON-NLS-1$
		new CloseMethodRecord(APACHE_DBUTILS, "rollbackAndClose".toCharArray(), 1), //$NON-NLS-1$
		new CloseMethodRecord(APACHE_DBUTILS, "rollbackAndCloseQuietly".toCharArray(), 1), //$NON-NLS-1$
	};
	// white lists of closeables:
	char[][] JAVA_IO_WRAPPER_CLOSEABLES = new char[][] {
		"BufferedInputStream".toCharArray(), //$NON-NLS-1$
		"BufferedOutputStream".toCharArray(), //$NON-NLS-1$
		"BufferedReader".toCharArray(), //$NON-NLS-1$
		"BufferedWriter".toCharArray(), //$NON-NLS-1$
		"InputStreamReader".toCharArray(), //$NON-NLS-1$
		"PrintWriter".toCharArray(),  //$NON-NLS-1$
		"LineNumberReader".toCharArray(), //$NON-NLS-1$
		"DataInputStream".toCharArray(), //$NON-NLS-1$
		"DataOutputStream".toCharArray(), //$NON-NLS-1$
		"ObjectInputStream".toCharArray(), //$NON-NLS-1$
		"ObjectOutputStream".toCharArray(), //$NON-NLS-1$
		"FilterInputStream".toCharArray(), //$NON-NLS-1$
		"FilterOutputStream".toCharArray(), //$NON-NLS-1$
		"DataInputStream".toCharArray(), //$NON-NLS-1$
		"DataOutputStream".toCharArray(), //$NON-NLS-1$
		"PushbackInputStream".toCharArray(), //$NON-NLS-1$
		"SequenceInputStream".toCharArray(), //$NON-NLS-1$
		"PrintStream".toCharArray(), //$NON-NLS-1$
		"PushbackReader".toCharArray(), //$NON-NLS-1$
		"OutputStreamWriter".toCharArray(), //$NON-NLS-1$
	};
	char[][] JAVA_UTIL_ZIP_WRAPPER_CLOSEABLES = new char[][] {
		"GZIPInputStream".toCharArray(), //$NON-NLS-1$
		"InflaterInputStream".toCharArray(), //$NON-NLS-1$
		"DeflaterInputStream".toCharArray(), //$NON-NLS-1$
		"CheckedInputStream".toCharArray(), //$NON-NLS-1$
		"ZipInputStream".toCharArray(), //$NON-NLS-1$
		"JarInputStream".toCharArray(), //$NON-NLS-1$
		"GZIPOutputStream".toCharArray(), //$NON-NLS-1$
		"InflaterOutputStream".toCharArray(), //$NON-NLS-1$
		"DeflaterOutputStream".toCharArray(), //$NON-NLS-1$
		"CheckedOutputStream".toCharArray(), //$NON-NLS-1$
		"ZipOutputStream".toCharArray(), //$NON-NLS-1$
		"JarOutputStream".toCharArray(), //$NON-NLS-1$
	};
	char[][][] OTHER_WRAPPER_CLOSEABLES = new char[][][] {
		{JAVA, "security".toCharArray(), "DigestInputStream".toCharArray()}, //$NON-NLS-1$ //$NON-NLS-2$
		{JAVA, "security".toCharArray(), "DigestOutputStream".toCharArray()}, //$NON-NLS-1$ //$NON-NLS-2$
		{JAVA, "beans".toCharArray(), "XMLEncoder".toCharArray()}, //$NON-NLS-1$ //$NON-NLS-2$
		{JAVA, "beans".toCharArray(), "XMLDecoder".toCharArray()}, //$NON-NLS-1$ //$NON-NLS-2$
		{JAVAX, "sound".toCharArray(), "sampled".toCharArray(), "AudioInputStream".toCharArray()}, //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
	};
	char[][] JAVA_IO_RESOURCE_FREE_CLOSEABLES = new char[][] {			
		"StringReader".toCharArray(), //$NON-NLS-1$
		"StringWriter".toCharArray(), //$NON-NLS-1$
		"ByteArrayInputStream".toCharArray(), //$NON-NLS-1$
		"ByteArrayOutputStream".toCharArray(), //$NON-NLS-1$
		"CharArrayReader".toCharArray(), //$NON-NLS-1$
		"CharArrayWriter".toCharArray(), //$NON-NLS-1$
		"StringBufferInputStream".toCharArray(), //$NON-NLS-1$
	};
	char[][] JAVA_UTIL_STREAM = { JAVA, UTIL, "stream".toCharArray() }; //$NON-NLS-1$
	char[][] RESOURCE_FREE_CLOSEABLE_J_U_STREAMS = {
		"Stream".toCharArray(), //$NON-NLS-1$
		"DoubleStream".toCharArray(), //$NON-NLS-1$
		"LongStream".toCharArray(), //$NON-NLS-1$
		"IntStream".toCharArray() //$NON-NLS-1$
	};
	
	// different assertion utilities:
	char[] ASSERT_CLASS = "Assert".toCharArray(); //$NON-NLS-1$
	char[][] ORG_ECLIPSE_CORE_RUNTIME_ASSERT = new char[][] { ORG, ECLIPSE, CORE, RUNTIME, ASSERT_CLASS };
	// ... methods:
	char[] IS_NOTNULL = "isNotNull".toCharArray(); //$NON-NLS-1$
	
	char[] JUNIT = "junit".toCharArray(); //$NON-NLS-1$
	char[] FRAMEWORK = "framework".toCharArray(); //$NON-NLS-1$
	char[] JUPITER = "jupiter".toCharArray(); //$NON-NLS-1$
	char[] PARAMS = "params".toCharArray(); //$NON-NLS-1$
	char[] PROVIDER = "provider".toCharArray(); //$NON-NLS-1$
	char[][] JUNIT_FRAMEWORK_ASSERT = new char[][] { JUNIT, FRAMEWORK, ASSERT_CLASS };
	char[][] ORG_JUNIT_ASSERT = new char[][] { ORG, JUNIT, ASSERT_CLASS };
	// ... methods:
	char[] ASSERT_NULL = "assertNull".toCharArray(); //$NON-NLS-1$
	char[] ASSERT_NOTNULL = "assertNotNull".toCharArray(); //$NON-NLS-1$
	char[] ASSERT_TRUE = "assertTrue".toCharArray(); //$NON-NLS-1$
	char[] ASSERT_FALSE = "assertFalse".toCharArray(); //$NON-NLS-1$
	// ... annotations:
	char[] METHOD_SOURCE = "MethodSource".toCharArray(); //$NON-NLS-1$
	char[][] ORG_JUNIT_METHOD_SOURCE = new char[][] { ORG, JUNIT, JUPITER, PARAMS, PROVIDER, METHOD_SOURCE };
	
	char[] VALIDATE_CLASS = "Validate".toCharArray(); //$NON-NLS-1$
	char[][] ORG_APACHE_COMMONS_LANG_VALIDATE = new char[][] { ORG, APACHE, COMMONS, LANG, VALIDATE_CLASS };
	char[][] ORG_APACHE_COMMONS_LANG3_VALIDATE = new char[][] { ORG, APACHE, COMMONS, LANG3, VALIDATE_CLASS };
	char[][] ORG_ECLIPSE_JDT_INTERNAL_COMPILER_LOOKUP_TYPEBINDING = new char[][] { ORG, ECLIPSE, JDT, INTERNAL, COMPILER, LOOKUP, TYPEBINDING };
	char[][] ORG_ECLIPSE_JDT_CORE_DOM_ITYPEBINDING = new char[][] { ORG, ECLIPSE, JDT, CORE, DOM, ITYPEBINDING };

	// ... methods:
	char[] IS_TRUE = "isTrue".toCharArray(); //$NON-NLS-1$
	char[] NOT_NULL = "notNull".toCharArray(); //$NON-NLS-1$

	char[][] COM_GOOGLE_COMMON_BASE_PRECONDITIONS = new char[][] { 
			COM, GOOGLE, "common".toCharArray(), "base".toCharArray(), "Preconditions".toCharArray() }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
	// ... methods:
	char[] CHECK_NOT_NULL = "checkNotNull".toCharArray(); //$NON-NLS-1$
	char[] CHECK_ARGUMENT = "checkArgument".toCharArray(); //$NON-NLS-1$
	char[] CHECK_STATE = "checkState".toCharArray(); //$NON-NLS-1$

	// ... methods in java.util.Objects:
	char[] REQUIRE_NON_NULL = "requireNonNull".toCharArray(); //$NON-NLS-1$
	
	// different @Inject annotations are relevant for @NonNull fields
	char[] INJECT_PACKAGE = "inject".toCharArray(); //$NON-NLS-1$
	char[] INJECT_TYPE = "Inject".toCharArray(); //$NON-NLS-1$
	char[][] JAVAX_ANNOTATION_INJECT_INJECT = new char[][] { JAVAX, INJECT_PACKAGE, INJECT_TYPE };
	char[][] COM_GOOGLE_INJECT_INJECT = new char[][] {COM, GOOGLE, INJECT_PACKAGE, INJECT_TYPE };
	//    detail for the above:
	char[] OPTIONAL = "optional".toCharArray(); //$NON-NLS-1$
	
	// well-known methods with "dangerous" signatures:
	char[][] JAVA_UTIL_MAP = new char[][] { JAVA, UTIL, "Map".toCharArray() }; //$NON-NLS-1$
	char[] GET = "get".toCharArray(); //$NON-NLS-1$
	char[] REMOVE = "remove".toCharArray(); //$NON-NLS-1$
	char[] REMOVE_ALL = "removeAll".toCharArray(); //$NON-NLS-1$
	char[] CONTAINS_ALL = "containsAll".toCharArray(); //$NON-NLS-1$
	char[] RETAIN_ALL = "retainAll".toCharArray(); //$NON-NLS-1$
	char[] CONTAINS_KEY = "containsKey".toCharArray(); //$NON-NLS-1$
	char[] CONTAINS_VALUE = "containsValue".toCharArray(); //$NON-NLS-1$
	// for Collection.contains:
	char[] CONTAINS = "contains".toCharArray(); //$NON-NLS-1$
	// for List.*indexOf:
	char[] INDEX_OF = "indexOf".toCharArray(); //$NON-NLS-1$
	char[] LAST_INDEX_OF = "lastIndexOf".toCharArray(); //$NON-NLS-1$
	enum DangerousMethod {
		// Collection:
		Contains, Remove, RemoveAll, ContainsAll, RetainAll,
		// Map:
		Get, ContainsKey, ContainsValue,
		// List:
		IndexOf, LastIndexOf,
		// Object:
		Equals;

		public static DangerousMethod detectSelector(char[] selector) {
			switch (selector[0]) {
				case 'r':
					if (CharOperation.prefixEquals(TypeConstants.REMOVE, selector)) {
						if (CharOperation.equals(selector, TypeConstants.REMOVE))
							return DangerousMethod.Remove;
						else if (CharOperation.equals(selector, TypeConstants.REMOVE_ALL))
							return DangerousMethod.RemoveAll;
					} else if (CharOperation.equals(selector, TypeConstants.RETAIN_ALL)) {
						return DangerousMethod.RetainAll;
					}
					break;
				case 'c':
					if (CharOperation.prefixEquals(TypeConstants.CONTAINS, selector)) {
						if (CharOperation.equals(selector, TypeConstants.CONTAINS))
							return DangerousMethod.Contains;
						else if (CharOperation.equals(selector, TypeConstants.CONTAINS_ALL))
							return DangerousMethod.ContainsAll;
						else if (CharOperation.equals(selector, TypeConstants.CONTAINS_KEY))
							return DangerousMethod.ContainsKey;
						else if (CharOperation.equals(selector, TypeConstants.CONTAINS_VALUE))
							return DangerousMethod.ContainsValue;
					}
					break;
				case 'g':
					if (CharOperation.equals(selector, TypeConstants.GET))
						return DangerousMethod.Get;
					break;
				case 'i':
					if (CharOperation.equals(selector, TypeConstants.INDEX_OF))
						return DangerousMethod.IndexOf;
					break;
				case 'l':
					if (CharOperation.equals(selector, TypeConstants.LAST_INDEX_OF))
						return DangerousMethod.LastIndexOf;
					break;
				case 'e':
					if (CharOperation.equals(selector, TypeConstants.EQUALS))
						return DangerousMethod.Equals;
					break;
			}
			return null;
		}
	}

	// Spring @Autowired annotation
	char [] AUTOWIRED = "Autowired".toCharArray();  //$NON-NLS-1$
	char [] BEANS = "beans".toCharArray();  //$NON-NLS-1$
	char [] FACTORY = "factory".toCharArray(); //$NON-NLS-1$
	char[][] ORG_SPRING_AUTOWIRED = new char[][] {ORG, SPRING, BEANS, FACTORY, ANNOTATION, AUTOWIRED};
	char[] REQUIRED = "required".toCharArray(); //$NON-NLS-1$

	// Constraints for generic type argument inference
	int CONSTRAINT_EQUAL = 0;		// Actual = Formal
	int CONSTRAINT_EXTENDS = 1;	// Actual << Formal
	int CONSTRAINT_SUPER = 2;		// Actual >> Formal

	// status of bound checks
	public static enum BoundCheckStatus {
		OK, NULL_PROBLEM, UNCHECKED, MISMATCH;
		
true if no problem or only a null problem. /** true if no problem or only a null problem. */
		boolean isOKbyJLS() {
			switch (this) {
				case OK:
				case NULL_PROBLEM:
					return true;
				default:
					return false;
			}
		}
		public BoundCheckStatus betterOf(BoundCheckStatus other) {
			if (this.ordinal() < other.ordinal())
				return this;
			return other;
		}
	}

	// Synthetics
	char[] INIT = "<init>".toCharArray(); //$NON-NLS-1$
	char[] CLINIT = "<clinit>".toCharArray(); //$NON-NLS-1$
	char[] SYNTHETIC_SWITCH_ENUM_TABLE = "$SWITCH_TABLE$".toCharArray(); //$NON-NLS-1$
	char[] SYNTHETIC_ENUM_VALUES = "ENUM$VALUES".toCharArray(); //$NON-NLS-1$
	char[] SYNTHETIC_ASSERT_DISABLED = "$assertionsDisabled".toCharArray(); //$NON-NLS-1$
	char[] SYNTHETIC_CLASS = "class$".toCharArray(); //$NON-NLS-1$
	char[] SYNTHETIC_OUTER_LOCAL_PREFIX = "val$".toCharArray(); //$NON-NLS-1$
	char[] SYNTHETIC_ENCLOSING_INSTANCE_PREFIX = "this$".toCharArray(); //$NON-NLS-1$
	char[] SYNTHETIC_ACCESS_METHOD_PREFIX =  "access$".toCharArray(); //$NON-NLS-1$
	char[] SYNTHETIC_ENUM_CONSTANT_INITIALIZATION_METHOD_PREFIX =  " enum constant initialization$".toCharArray(); //$NON-NLS-1$
	char[] SYNTHETIC_STATIC_FACTORY =  "<factory>".toCharArray(); //$NON-NLS-1$

	// constants in enum org.eclipse.jdt.annotation.DefaultLocation:
	char[] DEFAULT_LOCATION__PARAMETER = "PARAMETER".toCharArray(); //$NON-NLS-1$
	char[] DEFAULT_LOCATION__RETURN_TYPE = "RETURN_TYPE".toCharArray(); //$NON-NLS-1$
	char[] DEFAULT_LOCATION__FIELD = "FIELD".toCharArray(); //$NON-NLS-1$
	char[] DEFAULT_LOCATION__TYPE_ARGUMENT = "TYPE_ARGUMENT".toCharArray(); //$NON-NLS-1$
	char[] DEFAULT_LOCATION__TYPE_PARAMETER = "TYPE_PARAMETER".toCharArray(); //$NON-NLS-1$
	char[] DEFAULT_LOCATION__TYPE_BOUND = "TYPE_BOUND".toCharArray(); //$NON-NLS-1$
	char[] DEFAULT_LOCATION__ARRAY_CONTENTS = "ARRAY_CONTENTS".toCharArray(); //$NON-NLS-1$


	// synthetic package-info name
	public static final char[] PACKAGE_INFO_NAME = "package-info".toCharArray(); //$NON-NLS-1$
	public static final char[] MODULE_INFO_NAME = "module-info".toCharArray(); //$NON-NLS-1$
	public static final String MODULE_INFO_NAME_STRING = "module-info"; //$NON-NLS-1$
	public static final char[] MODULE_INFO_FILE_NAME = "module-info.java".toCharArray(); //$NON-NLS-1$
	public static final char[] MODULE_INFO_CLASS_NAME = "module-info.class".toCharArray(); //$NON-NLS-1$
	public static final String MODULE_INFO_FILE_NAME_STRING = "module-info.java"; //$NON-NLS-1$
	public static final String MODULE_INFO_CLASS_NAME_STRING = "module-info.class"; //$NON-NLS-1$
	// java.base module name
	char[] JAVA_BASE = "java.base".toCharArray(); //$NON-NLS-1$
	String META_INF_MANIFEST_MF = "META-INF/MANIFEST.MF"; //$NON-NLS-1$
	String AUTOMATIC_MODULE_NAME = "Automatic-Module-Name";  //$NON-NLS-1$
}