class Unit {
}

class Utility {
  protected void assertType(String contents, String expected) {}

  protected void assertType(String contents, int exprStart, int exprEnd, String expected) {}

  public static void assertType(Unit contents, int exprStart, int exprEnd, String expected) {}

  protected void assertType(String contents, String expectedType, boolean forceWorkingCopy) {}

  protected void assertType(String contents, int exprStart, int exprEnd, String expectedType, boolean forceWorkingCopy) {}

  protected void assertType(String contents, int exprStart, int exprEnd, String expectedType, String extraDocSnippet, boolean forceWorkingCopy) {}

  public static void assertType(Unit contents, int exprStart, int exprEnd, String expectedType, boolean forceWorkingCopy) {}

  public static void assertType(Unit unit, int exprStart, int exprEnd, String expectedType, String extraDocSnippet, boolean forceWorkingCopy) {}
}

Unit unit = null; int offset = 0;
Utility.assertType(unit, offset, offset + 'types'.length(), 'java.util.Collection<E extends java.lang.Object>')