CLASS bqn net/minecraft/block/RailPlacementHelper
	FIELD a world Lbhh;
	FIELD b pos Lev;
	FIELD c block Lbmd;
	FIELD d state Lbvj;
	FIELD e allowCurves Z
	FIELD f neighbors Ljava/util/List;
	METHOD a getNeighbors ()Ljava/util/List;
	METHOD a computeNeighbors (Lbwn;)V
		ARG 1 shape
	METHOD a updateBlockState (ZZ)Lbqn;
		ARG 1 powered
		ARG 2 forceUpdate
	METHOD c getBlockState ()Lbvj;