CLASS cwt net/minecraft/client/gui/widget/ButtonListWidget
CLASS cwt$a ButtonItem
FIELD a buttons Ljava/util/List;
METHOD <init> (Lcvb;IIIII)V
ARG 1 client
ARG 2 width
ARG 3 height
ARG 4 top
ARG 5 bottom
ARG 6 itemHeight
METHOD a addAll ([Lcve;)V