More fixes in the Fixes service.

pkg/analysis_services/lib/src/correction/strings.dart

+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// 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 services.src.correction.strings;
+
+
+String capitalize(String str) {
+  if (isEmpty(str)) {
+    return str;
+  }
+  return str.substring(0, 1).toUpperCase() + str.substring(1);
+}
+
+bool isEmpty(String str) {
+  return str == null || str.isEmpty;
+}
+
+bool isLetter(int c) {
+  return (c >= 0x41 && c <= 0x5A) || (c >= 0x61 && c <= 0x7A);
+}
+
+bool isSpace(int c) => c == 0x20 || c == 0x09;
+
+bool isUpperCase(int c) {
+  return c >= 0x41 && c <= 0x5A;
+}
+
+bool isWhitespace(int c) {
+  return isSpace(c) || c == 0x0D || c == 0x0A;
+}
+
+String join(Iterable iter, [String separator = ' ', int start = 0, int end =
+    -1]) {
+  if (start != 0) {
+    iter = iter.skip(start);
+  }
+  if (end != -1) {
+    iter = iter.take(end - start);
+  }
+  return iter.join(separator);
+}
+
+String remove(String str, String remove) {
+  if (isEmpty(str) || isEmpty(remove)) {
+    return str;
+  }
+  return str.replaceAll(remove, '');
+}
+
+String removeStart(String str, String remove) {
+  if (isEmpty(str) || isEmpty(remove)) {
+    return str;
+  }
+  if (str.startsWith(remove)) {
+    return str.substring(remove.length);
+  }
+  return str;
+}
+
+String repeat(String s, int n) {
+  StringBuffer sb = new StringBuffer();
+  for (int i = 0; i < n; i++) {
+    sb.write(s);
+  }
+  return sb.toString();
+}
+
+List<String> split(String s, [String pattern = '']) {
+  return s.split(pattern);
+}
+
+List<String> splitByWholeSeparatorPreserveAllTokens(String s, String pattern) {
+  return s.split(pattern);
+}