Spellcheck feature of languagetool

Hello

I am using the spell check feature of the languagetool via Java API. If I need to ignore some words/add words to dictionary for spell check feature, how do i do that?

Please see http://languagetool-user-forum.2306527.n4.nabble.com/New-Spell-checking-feature-any-way-to-use-a-custom-dictionary-td4640575.html#a4640577