/**
 * Charcoal (James's design note, 2026-09-22).
 *
 * One item: Charcoal. No birch charcoal, no refined charcoal. Every wood
 * burns, and better wood burns to more of it, so a woodcutter's back
 * catalogue is worth something to a smith: a Steel Bar is an iron bar and
 * two charcoal, which is two logs off the everyday trees.
 *
 * Players make it at a Charcoal Mound: a low earth-covered heap of stacked
 * logs with a smoking vent and a collection basket, standing in the smiths'
 * yards. The interaction is a batch, not a click a log: load what you have,
 * it smoulders CHARCOAL_INTERVAL_MS a log, and the charcoal goes in the bag
 * as it comes.
 */
export declare const CHARCOAL_KIND = "charcoal";
export declare const CHARCOAL_MOUND_KIND = "charcoalmound";
/** Reach for the mound, the same arm's length as an anvil or a furnace. */
export declare const CHARCOAL_MOUND_RANGE = 2;
/** One log a second and a half: a batch of twenty is half a minute of smoke. */
export declare const CHARCOAL_INTERVAL_MS = 1500;
/** Woodwork XP a log pays when it is burned, whatever the species. */
export declare const CHARCOAL_XP_PER_LOG = 4;
/**
 * Charcoal a single log gives up, by species. Softwood and hardwood both
 * burn; the difference is how much is left in the basket. Birch is the
 * everyday choice, hazel the efficient upgrade, and oak the best of all
 * (hazel, alder, beech and oak fell their own wood since 2026-10-12, slice B2).
 */
export declare const CHARCOAL_YIELD: Record<string, number>;
/** Every wood the mound takes, in the order a burner would reach for them. */
export declare const CHARCOAL_WOODS: readonly string[];
export declare function charcoalYieldFor(woodKind: string): number;
export declare function isCharcoalWood(kind: string): boolean;
/**
 * The woodwork level a wood wants before the mound will take it: the same
 * level that lets you fell it, so nothing new is gated.
 */
export declare const CHARCOAL_WOOD_LEVELS: Record<string, number>;
/** What a trader pays for a lump; two of them are a steel bar's fuel. */
export declare const CHARCOAL_SELL_PRICE = 12;
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