import { Skill, Stat } from "kolmafia";
/**
 * @returns Whether or not you have the blood cubic zirconia.
 */
export declare function have(): boolean;
/**
 * @param skill The BCZ skill to check.
 * @param castNumber The number of times you've cast the skill
 * @returns The subtat cost to cast the skill.
 */
export declare function skillCost(skill: Skill, castNumber?: number): number;
/**
 * @param skill The BCZ skill to check.
 * @returns The number of casts of the skill already used, parsing the pref.
 */
export declare function timesCast(skill: Skill): number;
/**
 * @param skill The BCZ skill to check.
 * @returns The substat used to cast the skill.
 */
export declare function substatUsed(skill: Skill): Stat | null;
/**
 * @param skill The BCZ skill to check.
 * @param statFloor Minimum base stat you want to keep.
 * @returns The number of casts you can achieve of the selected skill before hitting the given stat floor.
 */
export declare function availableCasts(skill: Skill, statFloor: number): number;
/**
 * @param skill The BCZ skill to cast.
 * @param statFloor Minimum base stat you want to keep.
 * @returns Whether you successfully cast the spell.
 */
export declare function castDownTo(skill: Skill, statFloor: number): boolean;
/**
 * @param skill The BCZ skill to cast.
 * @param count How many times you want to cast the spell
 * @returns Whether you successfully cast the spell.
 */
export declare function cast(skill: Skill, count: number): boolean;