import type { PluginConfig } from './config/schema';
/** Shared state for plugin sessions and cache tracking. */
export interface DelegationEntry {
    from: string;
    to: string;
    timestamp: number;
}
export interface CacheStats {
    cacheHits: number;
    cacheMisses: number;
    cacheSizeBytes: number;
}
/** Guardrail tracking state per session */
export interface GuardrailSession {
    toolCalls: number;
    firstToolAt: number | null;
    repetitionCount: number;
    consecutiveErrors: number;
    lastTool: string | null;
}
/** Maximum number of sessions to track before pruning */
export declare const MAX_SESSIONS = 1000;
export declare const swarmState: {
    /** Active agent per session — keyed by sessionID */
    activeAgent: Map<string, string>;
    /** Delegation chains per session — keyed by sessionID */
    delegationChains: Map<string, DelegationEntry[]>;
    /** Number of events since last flush */
    pendingEvents: number;
    /** Cache statistics for markdown AST parsing */
    cacheStats: CacheStats;
    /** Last successfully loaded config document */
    lastValidConfig: PluginConfig | null;
    /** Guardrail tracking per session — keyed by sessionID */
    guardrails: Map<string, GuardrailSession>;
};
/**
 * Prune the oldest sessions from both Maps.
 * Map iteration order is insertion order, so the first entries are oldest.
 * @param count - Number of sessions to prune
 */
export declare function pruneOldestSessions(count: number): void;
/**
 * Enforce the session limit by pruning if Maps exceed MAX_SESSIONS.
 * Prunes 10% of sessions when the limit is hit.
 */
export declare function enforceSessionLimit(): void;
/** Clear all session tracking, events, and cache stats. Used between tests and for plugin reinitialization. */
export declare function resetSwarmState(): void;
/**
 * Finalize and clear all swarm state.
 * Alias for resetSwarmState, signaling end-of-lifecycle cleanup.
 */
export declare function disposeSwarmState(): void;
/**
 * Get or initialize guardrail session state for a given sessionID.
 * @param sessionID - The session identifier
 * @returns The guardrail session state (initializes if missing)
 */
export declare function getGuardrailSession(sessionID: string): GuardrailSession;
/**
 * Reset guardrail state for a specific session.
 * @param sessionID - The session identifier to clear
 */
export declare function resetGuardrailState(sessionID: string): void;