Rename analyzer_experimental to analyzer.

pkg/analyzer_experimental/lib/src/generated/source.dart

Index: pkg/analyzer_experimental/lib/src/generated/source.dart
diff --git a/pkg/analyzer_experimental/lib/src/generated/source.dart b/pkg/analyzer_experimental/lib/src/generated/source.dart
deleted file mode 100644
index 4a1546be2f892359e537b4ca2e2ca27018320560..0000000000000000000000000000000000000000
--- a/pkg/analyzer_experimental/lib/src/generated/source.dart
+++ /dev/null
@@ -1,809 +0,0 @@
-// This code was auto-generated, is not intended to be edited, and is subject to
-// significant change. Please see the README file for more information.
-library engine.source;
-import 'java_core.dart';
-import 'sdk.dart' show DartSdk;
-import 'engine.dart' show AnalysisContext;
-/**
- * Instances of the class `SourceFactory` resolve possibly relative URI's against an existing
- * [Source].
- *
- * @coverage dart.engine.source
- */
-class SourceFactory {
-
-  /**
-   * The analysis context that this source factory is associated with.
-   */
-  AnalysisContext context;
-
-  /**
-   * The resolvers used to resolve absolute URI's.
-   */
-  List<UriResolver> _resolvers;
-
-  /**
-   * A cache of content used to override the default content of a source.
-   */
-  ContentCache contentCache;
-
-  /**
-   * Initialize a newly created source factory.
-   *
-   * @param contentCache the cache holding content used to override the default content of a source
-   * @param resolvers the resolvers used to resolve absolute URI's
-   */
-  SourceFactory.con1(ContentCache contentCache, List<UriResolver> resolvers) {
-    this.contentCache = contentCache;
-    this._resolvers = resolvers;
-  }
-
-  /**
-   * Initialize a newly created source factory.
-   *
-   * @param resolvers the resolvers used to resolve absolute URI's
-   */
-  SourceFactory.con2(List<UriResolver> resolvers) : this.con1(new ContentCache(), resolvers);
-
-  /**
-   * Return a source object representing the given absolute URI, or `null` if the URI is not a
-   * valid URI or if it is not an absolute URI.
-   *
-   * @param absoluteUri the absolute URI to be resolved
-   * @return a source object representing the absolute URI
-   */
-  Source forUri(String absoluteUri) {
-    try {
-      Uri uri = parseUriWithException(absoluteUri);
-      if (uri.isAbsolute) {
-        return resolveUri2(null, uri);
-      }
-    } on URISyntaxException catch (exception) {
-    }
-    return null;
-  }
-
-  /**
-   * Return a source object that is equal to the source object used to obtain the given encoding.
-   *
-   * @param encoding the encoding of a source object
-   * @return a source object that is described by the given encoding
-   * @throws IllegalArgumentException if the argument is not a valid encoding
-   * @see Source#getEncoding()
-   */
-  Source fromEncoding(String encoding) {
-    if (encoding.length < 2) {
-      throw new IllegalArgumentException("Invalid encoding length");
-    }
-    UriKind kind = UriKind.fromEncoding(encoding.codeUnitAt(0));
-    if (kind == null) {
-      throw new IllegalArgumentException("Invalid source kind in encoding: ${kind}");
-    }
-    try {
-      Uri uri = parseUriWithException(encoding.substring(1));
-      for (UriResolver resolver in _resolvers) {
-        Source result = resolver.fromEncoding(contentCache, kind, uri);
-        if (result != null) {
-          return result;
-        }
-      }
-      throw new IllegalArgumentException("No resolver for kind: ${kind}");
-    } on JavaException catch (exception) {
-      throw new IllegalArgumentException("Invalid URI in encoding");
-    }
-  }
-
-  /**
-   * Return the [DartSdk] associated with this [SourceFactory], or `null` if there
-   * is no such SDK.
-   *
-   * @return the [DartSdk] associated with this [SourceFactory], or `null` if
-   *         there is no such SDK
-   */
-  DartSdk get dartSdk {
-    for (UriResolver resolver in _resolvers) {
-      if (resolver is DartUriResolver) {
-        DartUriResolver dartUriResolver = resolver as DartUriResolver;
-        return dartUriResolver.dartSdk;
-      }
-    }
-    return null;
-  }
-
-  /**
-   * Return a source object representing the URI that results from resolving the given (possibly
-   * relative) contained URI against the URI associated with an existing source object, or
-   * `null` if either the contained URI is invalid or if it cannot be resolved against the
-   * source object's URI.
-   *
-   * @param containingSource the source containing the given URI
-   * @param containedUri the (possibly relative) URI to be resolved against the containing source
-   * @return the source representing the contained URI
-   */
-  Source resolveUri(Source containingSource, String containedUri) {
-    if (containedUri == null || containedUri.isEmpty) {
-      return null;
-    }
-    try {
-      return resolveUri2(containingSource, parseUriWithException(containedUri));
-    } on URISyntaxException catch (exception) {
-      return null;
-    }
-  }
-
-  /**
-   * Return an absolute URI that represents the given source.
-   *
-   * @param source the source to get URI for
-   * @return the absolute URI representing the given source, may be `null`
-   */
-  Uri restoreUri(Source source) {
-    for (UriResolver resolver in _resolvers) {
-      Uri uri = resolver.restoreAbsolute(source);
-      if (uri != null) {
-        return uri;
-      }
-    }
-    return null;
-  }
-
-  /**
-   * Set the contents of the given source to the given contents. This has the effect of overriding
-   * the default contents of the source. If the contents are `null` the override is removed so
-   * that the default contents will be returned.
-   *
-   * @param source the source whose contents are being overridden
-   * @param contents the new contents of the source
-   * @return the original cached contents or `null` if none
-   */
-  String setContents(Source source, String contents) => contentCache.setContents(source, contents);
-
-  /**
-   * Return the contents of the given source, or `null` if this factory does not override the
-   * contents of the source.
-   *
-   * <b>Note:</b> This method is not intended to be used except by
-   * [FileBasedSource#getContents].
-   *
-   * @param source the source whose content is to be returned
-   * @return the contents of the given source
-   */
-  String getContents(Source source) => contentCache.getContents(source);
-
-  /**
-   * Return the modification stamp of the given source, or `null` if this factory does not
-   * override the contents of the source.
-   *
-   * <b>Note:</b> This method is not intended to be used except by
-   * [FileBasedSource#getModificationStamp].
-   *
-   * @param source the source whose modification stamp is to be returned
-   * @return the modification stamp of the given source
-   */
-  int getModificationStamp(Source source) => contentCache.getModificationStamp(source);
-
-  /**
-   * Return a source object representing the URI that results from resolving the given (possibly
-   * relative) contained URI against the URI associated with an existing source object, or
-   * `null` if either the contained URI is invalid or if it cannot be resolved against the
-   * source object's URI.
-   *
-   * @param containingSource the source containing the given URI
-   * @param containedUri the (possibly relative) URI to be resolved against the containing source
-   * @return the source representing the contained URI
-   */
-  Source resolveUri2(Source containingSource, Uri containedUri) {
-    if (containedUri.isAbsolute) {
-      for (UriResolver resolver in _resolvers) {
-        Source result = resolver.resolveAbsolute(contentCache, containedUri);
-        if (result != null) {
-          return result;
-        }
-      }
-      return null;
-    } else {
-      return containingSource.resolveRelative(containedUri);
-    }
-  }
-}
-/**
- * The abstract class `UriResolver` defines the behavior of objects that are used to resolve
- * URI's for a source factory. Subclasses of this class are expected to resolve a single scheme of
- * absolute URI.
- *
- * @coverage dart.engine.source
- */
-abstract class UriResolver {
-
-  /**
-   * If this resolver should be used for URI's of the given kind, resolve the given absolute URI.
-   * The URI does not need to have the scheme handled by this resolver if the kind matches. Return a
-   * [Source] representing the file to which it was resolved, or `null` if it
-   * could not be resolved.
-   *
-   * @param contentCache the content cache used to access the contents of the returned source
-   * @param kind the kind of URI that was originally resolved in order to produce an encoding with
-   *          the given URI
-   * @param uri the URI to be resolved
-   * @return a [Source] representing the file to which given URI was resolved
-   */
-  Source fromEncoding(ContentCache contentCache, UriKind kind, Uri uri);
-
-  /**
-   * Resolve the given absolute URI. Return a [Source] representing the file to which
-   * it was resolved, or `null` if it could not be resolved.
-   *
-   * @param contentCache the content cache used to access the contents of the returned source
-   * @param uri the URI to be resolved
-   * @return a [Source] representing the file to which given URI was resolved
-   */
-  Source resolveAbsolute(ContentCache contentCache, Uri uri);
-
-  /**
-   * Return an absolute URI that represents the given source.
-   *
-   * @param source the source to get URI for
-   * @return the absolute URI representing the given source, may be `null`
-   */
-  Uri restoreAbsolute(Source source) => null;
-}
-/**
- * The interface `Source` defines the behavior of objects representing source code that can be
- * compiled.
- *
- * @coverage dart.engine.source
- */
-abstract class Source {
-
-  /**
-   * An empty array of sources.
-   */
-  static final List<Source> EMPTY_ARRAY = new List<Source>(0);
-
-  /**
-   * Return `true` if the given object is a source that represents the same source code as
-   * this source.
-   *
-   * @param object the object to be compared with this object
-   * @return `true` if the given object is a source that represents the same source code as
-   *         this source
-   * @see Object#equals(Object)
-   */
-  bool operator ==(Object object);
-
-  /**
-   * Return `true` if this source exists.
-   *
-   * @return `true` if this source exists
-   */
-  bool exists();
-
-  /**
-   * Get the contents of this source and pass it to the given receiver. Exactly one of the methods
-   * defined on the receiver will be invoked unless an exception is thrown. The method that will be
-   * invoked depends on which of the possible representations of the contents is the most efficient.
-   * Whichever method is invoked, it will be invoked before this method returns.
-   *
-   * @param receiver the content receiver to which the content of this source will be passed
-   * @throws Exception if the contents of this source could not be accessed
-   */
-  void getContents(Source_ContentReceiver receiver);
-
-  /**
-   * Return an encoded representation of this source that can be used to create a source that is
-   * equal to this source.
-   *
-   * @return an encoded representation of this source
-   * @see SourceFactory#fromEncoding(String)
-   */
-  String get encoding;
-
-  /**
-   * Return the full (long) version of the name that can be displayed to the user to denote this
-   * source. For example, for a source representing a file this would typically be the absolute path
-   * of the file.
-   *
-   * @return a name that can be displayed to the user to denote this source
-   */
-  String get fullName;
-
-  /**
-   * Return the modification stamp for this source. A modification stamp is a non-negative integer
-   * with the property that if the contents of the source have not been modified since the last time
-   * the modification stamp was accessed then the same value will be returned, but if the contents
-   * of the source have been modified one or more times (even if the net change is zero) the stamps
-   * will be different.
-   *
-   * @return the modification stamp for this source
-   */
-  int get modificationStamp;
-
-  /**
-   * Return a short version of the name that can be displayed to the user to denote this source. For
-   * example, for a source representing a file this would typically be the name of the file.
-   *
-   * @return a name that can be displayed to the user to denote this source
-   */
-  String get shortName;
-
-  /**
-   * Return the kind of URI from which this source was originally derived. If this source was
-   * created from an absolute URI, then the returned kind will reflect the scheme of the absolute
-   * URI. If it was created from a relative URI, then the returned kind will be the same as the kind
-   * of the source against which the relative URI was resolved.
-   *
-   * @return the kind of URI from which this source was originally derived
-   */
-  UriKind get uriKind;
-
-  /**
-   * Return a hash code for this source.
-   *
-   * @return a hash code for this source
-   * @see Object#hashCode()
-   */
-  int get hashCode;
-
-  /**
-   * Return `true` if this source is in one of the system libraries.
-   *
-   * @return `true` if this is in a system library
-   */
-  bool get isInSystemLibrary;
-
-  /**
-   * Resolve the relative URI against the URI associated with this source object. Return a
-   * [Source] representing the URI to which it was resolved, or `null` if it
-   * could not be resolved.
-   *
-   * Note: This method is not intended for public use, it is only visible out of necessity. It is
-   * only intended to be invoked by a [SourceFactory]. Source factories will
-   * only invoke this method if the URI is relative, so implementations of this method are not
-   * required to, and generally do not, verify the argument. The result of invoking this method with
-   * an absolute URI is intentionally left unspecified.
-   *
-   * @param relativeUri the relative URI to be resolved against the containing source
-   * @return a [Source] representing the URI to which given URI was resolved
-   */
-  Source resolveRelative(Uri relativeUri);
-}
-/**
- * The interface `ContentReceiver` defines the behavior of objects that can receive the
- * content of a source.
- */
-abstract class Source_ContentReceiver {
-
-  /**
-   * Accept the contents of a source represented as a character buffer.
-   *
-   * @param contents the contents of the source
-   * @param modificationTime the time at which the contents were last set
-   */
-  void accept(CharBuffer contents, int modificationTime);
-
-  /**
-   * Accept the contents of a source represented as a string.
-   *
-   * @param contents the contents of the source
-   * @param modificationTime the time at which the contents were last set
-   */
-  void accept2(String contents, int modificationTime);
-}
-/**
- * The enumeration `SourceKind` defines the different kinds of sources that are known to the
- * analysis engine.
- *
- * @coverage dart.engine.source
- */
-class SourceKind extends Enum<SourceKind> {
-
-  /**
-   * A source containing HTML. The HTML might or might not contain Dart scripts.
-   */
-  static final SourceKind HTML = new SourceKind('HTML', 0);
-
-  /**
-   * A Dart compilation unit that is not a part of another library. Libraries might or might not
-   * contain any directives, including a library directive.
-   */
-  static final SourceKind LIBRARY = new SourceKind('LIBRARY', 1);
-
-  /**
-   * A Dart compilation unit that is part of another library. Parts contain a part-of directive.
-   */
-  static final SourceKind PART = new SourceKind('PART', 2);
-
-  /**
-   * An unknown kind of source. Used both when it is not possible to identify the kind of a source
-   * and also when the kind of a source is not known without performing a computation and the client
-   * does not want to spend the time to identify the kind.
-   */
-  static final SourceKind UNKNOWN = new SourceKind('UNKNOWN', 3);
-  static final List<SourceKind> values = [HTML, LIBRARY, PART, UNKNOWN];
-  SourceKind(String name, int ordinal) : super(name, ordinal);
-}
-/**
- * The enumeration `UriKind` defines the different kinds of URI's that are known to the
- * analysis engine. These are used to keep track of the kind of URI associated with a given source.
- *
- * @coverage dart.engine.source
- */
-class UriKind extends Enum<UriKind> {
-
-  /**
-   * A 'dart:' URI.
-   */
-  static final UriKind DART_URI = new UriKind('DART_URI', 0, 0x64);
-
-  /**
-   * A 'file:' URI.
-   */
-  static final UriKind FILE_URI = new UriKind('FILE_URI', 1, 0x66);
-
-  /**
-   * A 'package:' URI referencing source package itself.
-   */
-  static final UriKind PACKAGE_SELF_URI = new UriKind('PACKAGE_SELF_URI', 2, 0x73);
-
-  /**
-   * A 'package:' URI.
-   */
-  static final UriKind PACKAGE_URI = new UriKind('PACKAGE_URI', 3, 0x70);
-  static final List<UriKind> values = [DART_URI, FILE_URI, PACKAGE_SELF_URI, PACKAGE_URI];
-
-  /**
-   * Return the URI kind represented by the given encoding, or `null` if there is no kind with
-   * the given encoding.
-   *
-   * @param encoding the single character encoding used to identify the URI kind to be returned
-   * @return the URI kind represented by the given encoding
-   */
-  static UriKind fromEncoding(int encoding) {
-    while (true) {
-      if (encoding == 0x64) {
-        return DART_URI;
-      } else if (encoding == 0x66) {
-        return FILE_URI;
-      } else if (encoding == 0x73) {
-        return PACKAGE_SELF_URI;
-      } else if (encoding == 0x70) {
-        return PACKAGE_URI;
-      }
-      break;
-    }
-    return null;
-  }
-
-  /**
-   * The single character encoding used to identify this kind of URI.
-   */
-  int encoding = 0;
-
-  /**
-   * Initialize a newly created URI kind to have the given encoding.
-   *
-   * @param encoding the single character encoding used to identify this kind of URI.
-   */
-  UriKind(String name, int ordinal, int encoding) : super(name, ordinal) {
-    this.encoding = encoding;
-  }
-}
-/**
- * A source range defines an [Element]'s source coordinates relative to its [Source].
- *
- * @coverage dart.engine.utilities
- */
-class SourceRange {
-
-  /**
-   * The 0-based index of the first character of the source code for this element, relative to the
-   * source buffer in which this element is contained.
-   */
-  int offset = 0;
-
-  /**
-   * The number of characters of the source code for this element, relative to the source buffer in
-   * which this element is contained.
-   */
-  int length = 0;
-
-  /**
-   * Initialize a newly created source range using the given offset and the given length.
-   *
-   * @param offset the given offset
-   * @param length the given length
-   */
-  SourceRange(int offset, int length) {
-    this.offset = offset;
-    this.length = length;
-  }
-
-  /**
-   * @return `true` if <code>x</code> is in [offset, offset + length) interval.
-   */
-  bool contains(int x) => offset <= x && x < offset + length;
-
-  /**
-   * @return `true` if <code>x</code> is in (offset, offset + length) interval.
-   */
-  bool containsExclusive(int x) => offset < x && x < offset + length;
-
-  /**
-   * @return `true` if <code>otherRange</code> covers this [SourceRange].
-   */
-  bool coveredBy(SourceRange otherRange) => otherRange.covers(this);
-
-  /**
-   * @return `true` if this [SourceRange] covers <code>otherRange</code>.
-   */
-  bool covers(SourceRange otherRange) => offset <= otherRange.offset && otherRange.end <= end;
-
-  /**
-   * @return `true` if this [SourceRange] ends in <code>otherRange</code>.
-   */
-  bool endsIn(SourceRange otherRange) {
-    int thisEnd = end;
-    return otherRange.contains(thisEnd);
-  }
-  bool operator ==(Object obj) {
-    if (obj is! SourceRange) {
-      return false;
-    }
-    SourceRange sourceRange = obj as SourceRange;
-    return sourceRange.offset == offset && sourceRange.length == length;
-  }
-
-  /**
-   * @return the 0-based index of the after-last character of the source code for this element,
-   *         relative to the source buffer in which this element is contained.
-   */
-  int get end => offset + length;
-
-  /**
-   * @return the expanded instance of [SourceRange], which has the same center.
-   */
-  SourceRange getExpanded(int delta) => new SourceRange(offset - delta, delta + length + delta);
-
-  /**
-   * @return the instance of [SourceRange] with end moved on "delta".
-   */
-  SourceRange getMoveEnd(int delta) => new SourceRange(offset, length + delta);
-
-  /**
-   * @return the expanded translated of [SourceRange], with moved start and the same length.
-   */
-  SourceRange getTranslated(int delta) => new SourceRange(offset + delta, length);
-  int get hashCode => 31 * offset + length;
-
-  /**
-   * @return `true` if this [SourceRange] intersects with given.
-   */
-  bool intersects(SourceRange other) {
-    if (other == null) {
-      return false;
-    }
-    if (end <= other.offset) {
-      return false;
-    }
-    if (offset >= other.end) {
-      return false;
-    }
-    return true;
-  }
-
-  /**
-   * @return `true` if this [SourceRange] starts in <code>otherRange</code>.
-   */
-  bool startsIn(SourceRange otherRange) => otherRange.contains(offset);
-  String toString() {
-    JavaStringBuilder builder = new JavaStringBuilder();
-    builder.append("[offset=");
-    builder.append(offset);
-    builder.append(", length=");
-    builder.append(length);
-    builder.append("]");
-    return builder.toString();
-  }
-}
-/**
- * The interface `SourceContainer` is used by clients to define a collection of sources
- *
- * Source containers are not used within analysis engine, but can be used by clients to group
- * sources for the purposes of accessing composite dependency information. For example, the Eclipse
- * client uses source containers to represent Eclipse projects, which allows it to easily compute
- * project-level dependencies.
- *
- * @coverage dart.engine.source
- */
-abstract class SourceContainer {
-
-  /**
-   * Determine if the specified source is part of the receiver's collection of sources.
-   *
-   * @param source the source in question
-   * @return `true` if the receiver contains the source, else `false`
-   */
-  bool contains(Source source);
-}
-/**
- * Instances of the class `DartUriResolver` resolve `dart` URI's.
- *
- * @coverage dart.engine.source
- */
-class DartUriResolver extends UriResolver {
-
-  /**
-   * The Dart SDK against which URI's are to be resolved.
-   */
-  DartSdk dartSdk;
-
-  /**
-   * The name of the `dart` scheme.
-   */
-  static String _DART_SCHEME = "dart";
-
-  /**
-   * Return `true` if the given URI is a `dart:` URI.
-   *
-   * @param uri the URI being tested
-   * @return `true` if the given URI is a `dart:` URI
-   */
-  static bool isDartUri(Uri uri) => _DART_SCHEME == uri.scheme;
-
-  /**
-   * Initialize a newly created resolver to resolve Dart URI's against the given platform within the
-   * given Dart SDK.
-   *
-   * @param sdk the Dart SDK against which URI's are to be resolved
-   */
-  DartUriResolver(DartSdk sdk) {
-    this.dartSdk = sdk;
-  }
-  Source fromEncoding(ContentCache contentCache, UriKind kind, Uri uri) {
-    if (identical(kind, UriKind.DART_URI)) {
-      return dartSdk.fromEncoding(contentCache, kind, uri);
-    }
-    return null;
-  }
-  Source resolveAbsolute(ContentCache contentCache, Uri uri) {
-    if (!isDartUri(uri)) {
-      return null;
-    }
-    return dartSdk.mapDartUri(uri.toString());
-  }
-}
-/**
- * Instances of the class `LineInfo` encapsulate information about line and column information
- * within a source file.
- *
- * @coverage dart.engine.utilities
- */
-class LineInfo {
-
-  /**
-   * An array containing the offsets of the first character of each line in the source code.
-   */
-  List<int> _lineStarts;
-
-  /**
-   * Initialize a newly created set of line information to represent the data encoded in the given
-   * array.
-   *
-   * @param lineStarts the offsets of the first character of each line in the source code
-   */
-  LineInfo(List<int> lineStarts) {
-    if (lineStarts == null) {
-      throw new IllegalArgumentException("lineStarts must be non-null");
-    } else if (lineStarts.length < 1) {
-      throw new IllegalArgumentException("lineStarts must be non-empty");
-    }
-    this._lineStarts = lineStarts;
-  }
-
-  /**
-   * Return the location information for the character at the given offset.
-   *
-   * @param offset the offset of the character for which location information is to be returned
-   * @return the location information for the character at the given offset
-   */
-  LineInfo_Location getLocation(int offset) {
-    int lineCount = _lineStarts.length;
-    for (int i = 1; i < lineCount; i++) {
-      if (offset < _lineStarts[i]) {
-        return new LineInfo_Location(i, offset - _lineStarts[i - 1] + 1);
-      }
-    }
-    return new LineInfo_Location(lineCount, offset - _lineStarts[lineCount - 1] + 1);
-  }
-}
-/**
- * Instances of the class `Location` represent the location of a character as a line and
- * column pair.
- */
-class LineInfo_Location {
-
-  /**
-   * The one-based index of the line containing the character.
-   */
-  int lineNumber = 0;
-
-  /**
-   * The one-based index of the column containing the character.
-   */
-  int columnNumber = 0;
-
-  /**
-   * Initialize a newly created location to represent the location of the character at the given
-   * line and column position.
-   *
-   * @param lineNumber the one-based index of the line containing the character
-   * @param columnNumber the one-based index of the column containing the character
-   */
-  LineInfo_Location(int lineNumber, int columnNumber) {
-    this.lineNumber = lineNumber;
-    this.columnNumber = columnNumber;
-  }
-}
-/**
- * Instances of class `ContentCache` hold content used to override the default content of a
- * [Source].
- *
- * @coverage dart.engine.source
- */
-class ContentCache {
-
-  /**
-   * A table mapping sources to the contents of those sources. This is used to override the default
-   * contents of a source.
-   */
-  Map<Source, String> _contentMap = new Map<Source, String>();
-
-  /**
-   * A table mapping sources to the modification stamps of those sources. This is used when the
-   * default contents of a source has been overridden.
-   */
-  Map<Source, int> _stampMap = new Map<Source, int>();
-
-  /**
-   * Return the contents of the given source, or `null` if this cache does not override the
-   * contents of the source.
-   *
-   * <b>Note:</b> This method is not intended to be used except by
-   * [SourceFactory#getContents].
-   *
-   * @param source the source whose content is to be returned
-   * @return the contents of the given source
-   */
-  String getContents(Source source) => _contentMap[source];
-
-  /**
-   * Return the modification stamp of the given source, or `null` if this cache does not
-   * override the contents of the source.
-   *
-   * <b>Note:</b> This method is not intended to be used except by
-   * [SourceFactory#getModificationStamp].
-   *
-   * @param source the source whose modification stamp is to be returned
-   * @return the modification stamp of the given source
-   */
-  int getModificationStamp(Source source) => _stampMap[source];
-
-  /**
-   * Set the contents of the given source to the given contents. This has the effect of overriding
-   * the default contents of the source. If the contents are `null` the override is removed so
-   * that the default contents will be returned.
-   *
-   * @param source the source whose contents are being overridden
-   * @param contents the new contents of the source
-   * @return the original cached contents or `null` if none
-   */
-  String setContents(Source source, String contents) {
-    if (contents == null) {
-      _stampMap.remove(source);
-      return _contentMap.remove(source);
-    } else {
-      _stampMap[source] = JavaSystem.currentTimeMillis();
-      return javaMapPut(_contentMap, source, contents);
-    }
-  }
-}