/** This is used in the various rock alt type helper functions. */
export declare enum RockAltType {
    URN = 0,
    MUSHROOM = 1,
    SKULL = 2,
    POLYP = 3,
    /**
     * Destroying buckets in Downpour give different outcomes than in Dross.
     *
     * See: https://bindingofisaacrebirth.fandom.com/wiki/Rocks#Buckets
     */
    BUCKET_DOWNPOUR = 4,
    /**
     * Destroying buckets in Dross give different outcomes than in Downpour.
     *
     * See: https://bindingofisaacrebirth.fandom.com/wiki/Rocks#Buckets
     */
    BUCKET_DROSS = 5
}
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