code: @Nonnull
    public TypeaheadRemote setCache (@Nonnull final ETriState eCache)
    {
      m_eCache = ValueEnforcer.notNull (eCache, "Cache");
      return this;
    }
docs: Determines whether or not the browser will cache responses. See the
  jQuery.ajax docs for more info.
  
  @param eCache
  Use cache? May not be <code>null</code>.
  @return this