import { SeededRandom } from '../utils/random';
import { ChainDefinition, Event, PlayerContext } from '../types';
import { IChainSystem } from '../interfaces';
export interface ActiveChain {
    id: string;
    definition: string;
    stage: number;
    playerContext: PlayerContext;
    completedStages: Set<number>;
    startedAt: number;
    nextEventTime?: number;
    nextEventTemplate?: string;
}
export interface ChainProgression {
    event: Event;
    chainId: string;
    stage: number;
    isComplete: boolean;
    nextStage?: number;
}
export declare class ChainSystem implements IChainSystem {
    private activeChains;
    private chainDefinitions;
    private rng;
    constructor(rng?: SeededRandom);
    /**
     * Initialize built-in chain definitions
     */
    private initializeChainDefinitions;
    /**
     * Start a new event chain
     */
    startChain(chainId: string, playerContext?: PlayerContext): Event | null;
    /**
     * Advance an existing chain based on player choice
     */
    advanceChain(chainId: string, choice: string): Event | null;
    /**
     * Determine the next stage in a chain
     */
    private determineNextStage;
    /**
     * Generate an event for the current stage of a chain
     */
    private generateChainEvent;
    /**
     * End a chain and clean up
     */
    endChain(chainId: string): void;
    /**
     * Get all currently active chains
     */
    getActiveChains(): ActiveChain[];
    /**
     * Get detailed information about a specific chain
     */
    getChainInfo(chainId: string): ActiveChain | null;
    /**
     * Register a custom chain definition
     */
    registerChain(chainId: string, definition: ChainDefinition): boolean;
    /**
     * Unregister a custom chain definition
     */
    unregisterChain(chainId: string): boolean;
    /**
     * Get all available chain definitions
     */
    getAvailableChains(): {
        [id: string]: ChainDefinition;
    };
    /**
     * Force advance a chain to a specific stage (for testing/debugging)
     */
    forceAdvanceChain(chainId: string, targetStage: number): boolean;
    /**
     * Get chain system statistics
     */
    getStats(): {
        activeChains: number;
        totalDefinitions: number;
        customDefinitions: number;
    };
}
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