    001    package net.minecraft.entity.boss;
    002
    003    public interface IBossDisplayData
    004    {
    005        int getMaxHealth();
    006
    007        /**
    008         * Returns the health points of the dragon.
    009         */
    010        int getDragonHealth();
    011
    012        /**
    013         * Gets the username of the entity.
    014         */
    015        String getEntityName();
    016    }