question: this type of material ca n't be pushed , but pistons can move over it . concode_field_sep EnumPushReaction mobilityFlag concode_elem_sep Material GROUND concode_elem_sep Material WATER concode_elem_sep boolean canBurn concode_elem_sep Material CRAFTED_SNOW concode_elem_sep boolean requiresNoTool concode_elem_sep Material REDSTONE_LIGHT concode_elem_sep Material CAKE concode_elem_sep Material BARRIER concode_elem_sep Material ROCK concode_elem_sep Material CLOTH concode_elem_sep Material LAVA concode_elem_sep Material CACTUS concode_elem_sep Material GOURD concode_elem_sep Material FIRE concode_elem_sep Material WEB concode_elem_sep Material DRAGON_EGG concode_elem_sep boolean isAdventureModeExempt concode_elem_sep Material SAND concode_elem_sep boolean isTranslucent concode_elem_sep Material GRASS concode_elem_sep Material CLAY concode_elem_sep Material CARPET concode_elem_sep Material STRUCTURE_VOID concode_elem_sep Material CORAL concode_elem_sep boolean replaceable concode_elem_sep Material PLANTS concode_elem_sep Material SPONGE concode_elem_sep Material ANVIL concode_elem_sep MapColor materialMapColor concode_elem_sep Material SNOW concode_elem_sep Material LEAVES concode_elem_sep Material VINE concode_elem_sep Material TNT concode_elem_sep Material CIRCUITS concode_elem_sep Material WOOD concode_elem_sep Material ICE concode_elem_sep Material AIR concode_elem_sep Material PORTAL concode_elem_sep Material GLASS concode_elem_sep Material IRON concode_elem_sep Material PACKED_ICE concode_elem_sep Material PISTON concode_field_sep Material setTranslucent concode_elem_sep boolean isToolNotRequired concode_elem_sep boolean getCanBurn concode_elem_sep boolean isOpaque concode_elem_sep Material setReplaceable concode_elem_sep boolean isSolid concode_elem_sep boolean blocksLight concode_elem_sep boolean isLiquid concode_elem_sep Material setRequiresTool concode_elem_sep Material setBurning concode_elem_sep EnumPushReaction getMobilityFlag concode_elem_sep boolean blocksMovement concode_elem_sep boolean blocksMovement concode_elem_sep MapColor getMaterialMapColor concode_elem_sep boolean isReplaceable concode_elem_sep Material setImmovableMobility concode_elem_sep Material setAdventureModeExempt
target: Material function ( ) { this . mobilityFlag = EnumPushReaction . DESTROY ; return this ; }