CLASS avf net/minecraft/item/ItemPickaxe
	FIELD a EFFECTIVE_BLOCKS Ljava/util/Set;
	METHOD a getBlockBreakingSpeed (Lauv;Lbnh;)F
		ARG 1 stack
		ARG 2 state
	METHOD a isEffectiveOn (Lbnh;)Z
		ARG 1 state
		ARG 3 miningLevel