    001    package net.minecraft.world.storage;
    002
    003    import net.minecraft.entity.player.EntityPlayer;
    004
    005    public interface IPlayerFileData
    006    {
    007        /**
    008         * Writes the player data to disk from the specified PlayerEntityMP.
    009         */
    010        void writePlayerData(EntityPlayer var1);
    011
    012        /**
    013         * Reads the player data from disk into the specified PlayerEntityMP.
    014         */
    015        void readPlayerData(EntityPlayer var1);
    016
    017        /**
    018         * Returns an array of usernames for which player.dat exists for.
    019         */
    020        String[] getAvailablePlayerDat();
    021    }