import { type SeedInput } from '../seed';
import { type GatherApproachDef, type GatherApproachKey, type GatherBoonResult, type GatherBoonStatus, type GatherFamilyTotal, type GatherOutcomeTier, type GatherPiece, type GatherPlotDef, type GatherToolId, type GatheringSessionState } from './gathering.types';
export declare function gatherApproachDef(key: GatherApproachKey): GatherApproachDef;
export declare function createGatheringSession(seed: SeedInput, siteId: string): GatheringSessionState;
export declare function selectGatheringApproach(s: GatheringSessionState, approach: GatherApproachKey): GatheringSessionState;
export declare function gatheringHarvestWrath(s: GatheringSessionState, def: GatherPlotDef): number;
export declare function gatheringHarvestYield(s: GatheringSessionState, def: GatherPlotDef): number;
export declare function gatheringDuskFallen(s: GatheringSessionState): boolean;
export declare function harvestGatheringPlot(s: GatheringSessionState, uid: string): GatheringSessionState;
export declare function descendGathering(s: GatheringSessionState): GatheringSessionState;
export declare function payGatheringOffering(s: GatheringSessionState, offeringId: string): GatheringSessionState;
export declare function useGatheringTool(s: GatheringSessionState, toolId: GatherToolId): GatheringSessionState;
export declare function continueGatheringAfterReprisal(s: GatheringSessionState): GatheringSessionState;
export declare function withdrawFromGathering(s: GatheringSessionState): GatheringSessionState;
export declare function acknowledgeGatheringOutcome(s: GatheringSessionState): GatheringSessionState;
export declare function claimGatheringSpoils(s: GatheringSessionState): GatheringSessionState;
export declare function gatheringFamilyTotals(pieces: readonly GatherPiece[]): GatherFamilyTotal[];
export declare function gatheringBoonStatus(id: string, s: Pick<GatheringSessionState, 'wrath' | 'turn' | 'satchel' | 'metrics'>, final: boolean): GatherBoonStatus;
export declare function gatheringBoonResults(s: GatheringSessionState, final: boolean): GatherBoonResult[];
export declare function gatheringTierOf(s: Pick<GatheringSessionState, 'erupted' | 'grace' | 'wrath' | 'satchel'>, keptCount: number): GatherOutcomeTier;
export declare function canPayGatheringOffering(s: GatheringSessionState, offeringId: string): {
    payable: boolean;
    reason: 'paid' | 'no-material' | null;
};
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