export declare const TIDE_OF_BLOOD_NAME = "Tide of Blood";
export declare const BLOOD_TIDE_CYCLE_MS = 720000;
export type BloodTidePhase = 'high' | 'ebb' | 'low' | 'flood';
export declare function bloodTide(nowMs: number): {
    phase: BloodTidePhase;
    msUntilLow: number;
    msLeftLow: number;
};
export declare const isBloodLow: (nowMs: number) => boolean;
/** The ford is passable unless the blood is high. */
export declare const isBloodFordOpen: (nowMs: number) => boolean;
/** The blood moon hangs over the Mire whenever the lamps are lit (18:00 to 06:00 UTC). */
export declare const isBloodMoon: (nowMs: number) => boolean;
/** The red low: the blood at its lowest under the blood moon. */
export declare const isRedLow: (nowMs: number) => boolean;
/** The tide gauge's line (readable any time, quest or not). */
export declare function bloodTideLine(nowMs: number): string;
/** When the next blood moon begins (the next 18:00 UTC at or after `nowMs`; `nowMs` itself when the lamps are lit). */
export declare function nextBloodMoonMs(nowMs: number): number;
export declare const BT_PROP: {
    /** The three tide markers on the rim (Reading the Red). */
    readonly marker: "btmarker";
    /** The five ford posts on the river's north bank, in crossing order (The Low Ford). */
    readonly post: "btpost";
    /** The two rope posts of the personal Blood Ford crossing, one each bank. */
    readonly rope: "btrope";
    /** The three moon braziers on the rim, in lighting order (Night of the Red Moon). */
    readonly brazier: "btbrazier";
    /** The Tide Bell at the first plank walk's foot (Tide of Blood). */
    readonly bell: "btbell";
    /** The tide gauge post by the Watch's gate: tells the tide any time. */
    readonly gauge: "btgauge";
    /** The Watch's lamp-oil cask (Night of the Red Moon): three flasks. */
    readonly oil: "btoil";
};
export type BtProp = {
    id: string;
    x: number;
    z: number;
    style: string;
};
export declare const BT_MARKERS: readonly BtProp[];
/** North bank of the Blood River: one tile back from the water's edge (its jitter reaches 0.8 of a tile). */
export declare function bloodBankZ(x: number, side: 'north' | 'south'): number;
export declare const BT_FORD_XS: readonly number[];
export declare const BT_POSTS: readonly BtProp[];
export declare const BT_POST_ORDER: readonly string[];
/** The rope posts of the Blood Ford crossing (a click teleports to the other one). */
export declare const BLOOD_FORD_X = 614;
export declare const BT_ROPE_NORTH: BtProp;
export declare const BT_ROPE_SOUTH: BtProp;
export declare function isBloodFordRopeStyle(style: string | undefined): boolean;
export declare const BT_BRAZIERS: readonly BtProp[];
export declare const BT_BRAZIER_ORDER: readonly string[];
/** The Tide Bell, on the bank at the south foot of the first plank walk (the walk's last tile is MIRE_CX, MIRE_CZ + 4). */
export declare const BT_BELL: BtProp;
export declare const BT_GAUGE: BtProp;
export declare const BT_OIL_CASK: BtProp;
export declare const BT_QUEST_PROPS: readonly BtProp[];
/** The model a prop draws with (dreadmodel names; stand-ins from the events kit and the quest set). */
export declare function tideOfBloodPropModel(prop: string): string | null;
export declare const TIDE_OF_BLOOD_PROP_NAMES: Readonly<Record<string, string>>;
/** The idle line for a prop clicked when the quest does not want it (the gauge says the tide any time). */
export declare function tideOfBloodPropIdleLine(prop: string, nowMs: number): string | null;
export declare const BLOOD_FORD_QUEST_ID = "theLowFord";
export declare const BLOOD_FORD_CLOSED_TEXT = "The blood runs too deep at the ford. Wait for it to ebb (the gauge post by the Mire Watch tells the tide).";
export declare const BLOOD_FORD_LOCKED_TEXT = "You have not learned the ford's marks. Marsh-Warden Odalys Venn at the Mire Watch will teach you (the quest The Low Ford).";
/** The Bloodtide Elemental's shard (no trader buys one: a lost one drops again from the next one down). */
export declare const BLOODTIDE_SHARD_KIND = "bloodtideshard";
export declare const TIDE_OF_BLOOD_ITEM_NAMES: Readonly<Record<string, string>>;
export declare const MIRE_LEECH_KIND = "mireleech";
export declare const BLOODTIDE_ELEMENTAL_KIND = "bloodtideelemental";
export type MireTideKind = typeof MIRE_LEECH_KIND | typeof BLOODTIDE_ELEMENTAL_KIND;
export declare const MIRE_TIDE_KINDS: readonly MireTideKind[];
export declare function isMireTideKind(kind: string): kind is MireTideKind;
export declare const MIRE_TIDE_CREATURES: Readonly<Record<MireTideKind, {
    name: string;
    level: number;
    maxHit: number;
    healthScale: number;
    respawnMs: number;
    aggro: number;
    leash: number;
    text: string;
    note: string;
}>>;
/** The elemental stands at the west plank walk's west end; the leeches in and between the pools. */
export declare const BLOODTIDE_ELEMENTAL_SPOT: {
    readonly x: number;
    readonly z: number;
    readonly leash: 3;
};
export declare const MIRE_LEECH_SPOTS: ReadonlyArray<readonly [number, number]>;
export declare const MIRE_LEECH_LEASH = 3;
export declare const MIRE_LEECH_PACE: {
    readonly speed: 1.2;
    readonly idleChance: 0.5;
    readonly pause: readonly [2, 6];
};
export declare const LEDGER_MIRE_LINES: readonly {
    id: string;
    label: string;
}[];
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