/**
 * @license
 * Copyright 2024 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import type { GraphIdentifier, InspectableNodePorts, NodeIdentifier, NodePortChanges } from "@breadboard-ai/types";
export { PortCache };
type PortsUpdate = {
    updated: InspectableNodePorts;
    changes: NodePortChanges;
};
declare class PortCache {
    #private;
    reconcilePorts(incoming: InspectableNodePorts, existing?: InspectableNodePorts): PortsUpdate;
    createNewSnapshot(incoming: InspectableNodePorts): PortsUpdate;
    current(graphId: GraphIdentifier, nodeId: NodeIdentifier): InspectableNodePorts | undefined;
    getChanges(graphId: GraphIdentifier, nodeId: NodeIdentifier, ports: InspectableNodePorts): NodePortChanges;
}
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