import type { RingBossKind, WorldBossRing } from './worldBossRing.js';
/** Each lair's own clock: four lairs, one every three hours. */
export declare const LAIR_PERIOD_MS: number;
/** Lair i is offset by this plus LAIR_SLOT_GAP_MS * i. */
export declare const LAIR_FIRST_OFFSET_MS: number;
export declare const LAIR_SLOT_GAP_MS: number;
/** The arena: tiles within this of the lair's centre (the boss's station). */
export declare const LAIR_ARENA_RADIUS = 9;
/** Rank r of the damage dealers gets the thrown piece r for this long. */
export declare const LAIR_FLOOR_RESERVE_MS = 45000;
/** A satchel or ladder reward needs this share of all the damage dealt to the boss. */
export declare const LAIR_MIN_SHARE = 0.03;
/** The pack creature kills a qualifying fighter is credited on an active Bounty. */
export declare const LAIR_BOUNTY_CREDIT = 3;
/** The countdown's chat lines start at stage 3 ("under an hour"); the sign and the login line carry the rest. */
export declare const LAIR_ANNOUNCE_FROM: 3;
/**
 * The lairs. Centres are each boss's own station (cryptGrounds.ts CRYPT_PLAZA, rotwoodGrove.ts GROVE_ENT, bloodMire.ts MIRE_ELEMENTAL, the
 * Spider Matriarch's spot two tiles out from her den in Spider Hollow, Ring 4 since 2026-10-17: spiderHollow.ts, GATE_MONSTER_PROFILES). The cage (the chest) stands 5-8 tiles off on the lair's
 * far side from the way in, on a tile with all eight neighbours clear (surveyed 2026-10-14, backend dump of canStand). `sign` and `entrance`
 * are only where the way in meets the arena (no board is built at a lair). No pillars, lamps or sign: the lair is its own place.
 */
export declare const CRYPT_LAIR: WorldBossRing;
export declare const GROVE_LAIR: WorldBossRing;
export declare const MIRE_LAIR: WorldBossRing;
export declare const HOLLOW_LAIR: WorldBossRing;
/** The four lairs in rota order (lair i wakes at its offset, every LAIR_PERIOD_MS). */
export declare const LAIR_RINGS: readonly WorldBossRing[];
/** The lair boss kinds. */
export declare const LAIR_BOSS_KINDS: readonly RingBossKind[];
export declare function isLairRing(ring: {
    id: string;
}): boolean;
/** Only the mere ring-like facts: a ring that is a lair awakening carries `lair` rules. */
export declare function lairRulesOf(ring: WorldBossRing): NonNullable<WorldBossRing['lair']> | null;
/** One fighter's credit (what the engine keeps per player and saves with the fight). */
export type LairCredit = {
    id: string;
    damage: number;
    firstAt: number;
};
/**
 * The fighters in rank order: most damage first; a tie goes to the earlier first blow, then to the lower id (so the order is the same on
 * every restart and nobody can tie their way past a rival). Zero-damage entries are not fighters.
 */
export declare function lairRanking(credits: readonly LairCredit[]): LairCredit[];
/**
 * Who qualifies for a satchel and the ladder: at least `minShare` of all the damage dealt (a fraction). One blow among thousands does not.
 * Returned in rank order, with their rank (1-based).
 */
export declare function lairQualifiers(credits: readonly LairCredit[], minShare: number): Array<LairCredit & {
    rank: number;
}>;
/** The ladder reward rolls for a rank: the entry for that rank, or nothing (rank 11 and below get the satchel only). */
export declare function lairLadderFor(rules: NonNullable<WorldBossRing['lair']>, rank: number, random?: () => number): Array<{
    kind: string;
    qty: number;
}>;
/**
 * The gear thrown at the chest is reserved by rank: piece i (0-based, in the order thrown) is the rank-(i+1) fighter's for
 * `floorReserveMs`; a piece with no qualifying fighter of that rank is free at once. Returns the owner id (or null for free) per piece.
 */
export declare function lairFloorOwners(pieces: number, qualifiers: ReadonlyArray<{
    id: string;
    rank: number;
}>): Array<string | null>;
/** The world chat lines of a lair awakening (one place, so the backend and the tests read the same words). */
export declare function lairFightLine(kind: 'start' | 'won' | 'failed' | 'empty', bossName: string, ring: WorldBossRing): string;
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