Remove JavaStringBuilder

pkg/analyzer/lib/src/generated/java_core.dart

 library java.core;
 
 import "dart:math" as math;
 
 final Stopwatch nanoTimeStopwatch = new Stopwatch();
 
 const int LONG_MAX_VALUE = 0x7fffffffffffffff;
 
 class JavaSystem {
   static int currentTimeMillis() {
@@ skipping 448 matching lines @@
 }
 
 bool javaBooleanAnd(bool a, bool b) {
   return a && b;
 }
 
 int javaByte(Object o) {
   return (o as int) & 0xFF;
 }
 
-class JavaStringBuilder {
-  StringBuffer sb = new StringBuffer();
-  String toString() => sb.toString();
-  JavaStringBuilder append(x) {
-    sb.write(x);
-    return this;
-  }
-  JavaStringBuilder appendChar(int c) {
-    sb.writeCharCode(c);
-    return this;
-  }
-  int get length => sb.length;
-  void set length(int newLength) {
-    if (newLength < 0) {
-      throw new StringIndexOutOfBoundsException(newLength);
-    }
-    if (sb.length < newLength) {
-      while (sb.length < newLength) {
-        sb.writeCharCode(0);
-      }
-    } else if (sb.length > newLength) {
-      var s = sb.toString().substring(0, newLength);
-      sb = new StringBuffer(s);
-    }
-  }
-  void clear() {
-    sb = new StringBuffer();
-  }
-}
-
 abstract class Enum<E extends Enum> implements Comparable<E> {
   /// The name of this enum constant, as declared in the enum declaration.
   final String name;
   /// The position in the enum declaration.
   final int ordinal;
   const Enum(this.name, this.ordinal);
   int get hashCode => ordinal;
   String toString() => name;
   int compareTo(E other) => ordinal - other.ordinal;
 }
@@ skipping 37 matching lines @@
  *     format('{0} are you {1}ing?', ['What', 'read']) = 'What are you reading?'
  */
 String formatList(String pattern, List args) {
   return pattern.replaceAllMapped(new RegExp(r'\{(\d+)\}'), (match) {
     String indexStr = match.group(1);
     int index = int.parse(indexStr);
     var arg = args[index];
     return arg != null ? arg.toString() : null;
   });
 }