import type { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
/**
 * Tracks per-session resource subscriptions and dispatches
 * `notifications/resources/updated` to subscribed clients.
 */
export declare class ResourceSubscriptionManager {
    private readonly logger;
    /** uri -> Map<sessionId, McpServer> */
    private readonly subscriptions;
    subscribe(sessionId: string, uri: string, server: McpServer): void;
    unsubscribe(sessionId: string, uri: string): boolean;
    /** Remove all subscriptions for a session (call on session close). */
    removeSession(sessionId: string): void;
    /** Notify all sessions subscribed to the given URI that the resource has been updated. */
    notifyResourceUpdated(uri: string): Promise<void>;
}
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