Drop of generated scanner and example scanner driver.

pkg/analyzer-experimental/lib/src/generated/utilities_dart.dart

+// 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.utilities.dart;
+
+
+/**
+ * The enumeration {@code ParameterKind} defines the different kinds of parameters. There are two
+ * basic kinds of parameters: required and optional. Optional parameters are further divided into
+ * two kinds: positional optional and named optional.
+ */
+class ParameterKind {
+  static final ParameterKind REQUIRED = new ParameterKind('REQUIRED', 0, false);
+  static final ParameterKind POSITIONAL = new ParameterKind('POSITIONAL', 1, true);
+  static final ParameterKind NAMED = new ParameterKind('NAMED', 2, true);
+  static final List<ParameterKind> values = [REQUIRED, POSITIONAL, NAMED];
+  final String __name;
+  final int __ordinal;
+  /**
+   * A flag indicating whether this is an optional parameter.
+   */
+  bool _isOptional2 = false;
+  /**
+   * Initialize a newly created kind with the given state.
+   * @param isOptional {@code true} if this is an optional parameter
+   */
+  ParameterKind(this.__name, this.__ordinal, bool isOptional) {
+    this._isOptional2 = isOptional;
+  }
+  /**
+   * Return {@code true} if this is an optional parameter.
+   * @return {@code true} if this is an optional parameter
+   */
+  bool isOptional() => _isOptional2;
+  String toString() => __name;
+}