code: package com.google.checkstyle.test.chapter4formatting.rule4841indentation;
  
  public class InputFastMatcher
  {
  
      public boolean matches(char c)
      {
          // OOOO Auto-generated method stub
          return false;
      }
  
      public String replaceFrom(CharSequence sequence, CharSequence replacement)
      {
          // OOOO Auto-generated method stub
          return null;
      }
  
      public String collapseFrom(CharSequence sequence, char replacement)
      {
          // OOOO Auto-generated method stub
          return null;
      }
  
      public String trimFrom(CharSequence s)
      {
          // OOOO Auto-generated method stub
          return null;
      }
  
      public String trimLeadingFrom(CharSequence sequence)
      {
          // OOOO Auto-generated method stub
          return null;
      }
  
      public String trimTrailingFrom(CharSequence sequence)
      {
          // OOOO Auto-generated method stub
          return null;
      }
  
  }
  