Method setIsInstantGrowable

src/main/java/org/bukkit/material/Sapling.java:102–104

Set whether this sapling will grow when next ticked with bonemeal @param isInstantGrowable true if the Sapling should grow when next ticked with bonemeal

(boolean isInstantGrowable)

     * with bonemeal
     */
    public void setIsInstantGrowable(boolean isInstantGrowable) {
        setData(isInstantGrowable ? (byte) ((getData() & 0x7) | 0x8) : (byte) (getData() & 0x7));
    }

    @Override
    public String toString() {