/**
 * Intent Management System
 * Handles intent submission, validation, and lifecycle management
 */
import { Intent, IntentSubmission, IntentStatus, Event, EventType } from '../types';
import { SignatureUtils } from '../utils/signature';
export declare class IntentManager {
    private sigUtils;
    private intents;
    private eventHandlers;
    constructor(sigUtils: SignatureUtils);
    /**
     * Submit a new intent
     */
    submitIntent(submission: IntentSubmission, submitterPublicKey: string, signature: string): Promise<Intent>;
    /**
     * Get intent by ID
     */
    getIntent(intentId: string): Intent | undefined;
    /**
     * List intents with filters
     */
    listIntents(filters?: {
        status?: IntentStatus;
        type?: string;
        submitter?: string;
    }): Intent[];
    /**
     * Update intent status
     */
    updateIntentStatus(intentId: string, status: IntentStatus): void;
    /**
     * Cancel an intent
     */
    cancelIntent(intentId: string, submitterPublicKey: string, signature: string): Promise<void>;
    /**
     * Check if intent is expired
     */
    isExpired(intent: Intent): boolean;
    /**
     * Clean up expired intents
     */
    cleanupExpiredIntents(): void;
    /**
     * Subscribe to events
     */
    on(eventType: EventType, handler: (event: Event) => void): void;
    /**
     * Unsubscribe from events
     */
    off(eventType: EventType, handler: (event: Event) => void): void;
    /**
     * Emit event to subscribers
     */
    private emitEvent;
    /**
     * Validate intent submission
     */
    private validateSubmission;
    /**
     * Normalize constraints with defaults
     */
    private normalizeConstraints;
}
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