public class EliteAPI{

    /**
     * Check if player has a full set of
     * a custom armor set.
     *
     * @param player
     * @return
     */
    public boolean hasFullSet(Player player);

    /**
     * Check if the item has the id of a
     * set piece.
     * @param item
     * @return
     */
    public boolean isArmorPiece(ItemStack item);

    /**
     * Get the name of the set the armor piece
     * belongs to
     * @param item
     * @return
     */
    public String getSetName(ItemStack item);

    /**
     * Check if the item has an effect
     * Mostly for weapons.
     * @param item
     * @param effect
     * @return
     */
    public boolean hasEffect(ItemStack item, String effect);

    /**
     * Check if the set the player is wearing contains
     * the effect that you are looking for.
     * @param player
     * @param effect
     * @return
     */
    public boolean hasEffect(Player player, String effect);

    /**
     * Get the 2nd argument given in the sets.yml
     * Damage:1.05 what will be returned is the number 1.05
     * @param player
     * @param effect
     * @return
     */
    public double getValue(Player player, String effect);

    /**
     * Get the 2nd argument given in the set.yml
     * for a weapon
     * @param player
     * @param effect
     * @return
     */
    public double getValueWeapon(@NonNull Player player, @NonNull String effect);

    /**
     * Get an armor upgrade item
     * @param set
     * @param percentage
     * @return
     */
    public ItemStack getUpgrade(String set, int percentage);

    /**
     * Get a crate item
     * @param crateName
     * @return
     */
    public ItemStack getCrate(String crateName);
}