/**
 * Internal escape hatches (symbols).
 * Used for plugin capability marking and cross-bundle duck-typing.
 */
export declare const CORE_SYMBOL: unique symbol;
export declare const CAP_VALIDATION: unique symbol;
export declare const CAP_PUBSUB: unique symbol;
/**
 * Symbol for accessing the route table.
 * Used internally by merge/mount to extract routes without instanceof brittleness.
 * Enables duck-typing across multiple bundle copies.
 *
 * Not part of public API. Use getRouteIndex() for plugin access.
 * @internal
 */
export declare const ROUTE_TABLE: unique symbol;
/**
 * Symbol for accessing the router implementation instance.
 * Used by plugins and test infrastructure to access internal details without
 * depending on implementation classes directly.
 *
 * Not part of public API. Escape hatch for rare cases where internals are needed.
 * @internal
 */
export declare const ROUTER_IMPL: unique symbol;
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