public R endOpen(@Nonnull T end) {
    this.end = Preconditions.checkNotNull(end, "End can't be null");
    this.endBound = BoundType.OPEN;
    return thisT();
  }
public R endOpen ( @ Nonnull T end ) { this . end = Preconditions . checkNotNull ( end , "End can't be null" ) ; this . endBound = BoundType . OPEN ; return thisT ( ) ; }
Creates a new {@link Range} with the specified exclusive end and the current start.