import type { Edge, Graph, NodePosition, PortDirection } from "./types";
import type { NodeRegistry } from "../registry/nodeRegistry";
export interface EdgeInsertionPlan {
    edgeId: string;
    nodeId: string;
    inputPortId: string;
    outputPortId: string;
}
export interface EdgeInsertionResult {
    graph: Graph;
    inserted: boolean;
    plan?: EdgeInsertionPlan;
    reason?: string;
}
export interface TemporaryConnectionSource {
    nodeId: string;
    portId: string;
    direction: PortDirection;
}
export interface TemporaryConnectionResult {
    graph: Graph;
    edgeId: string;
    endpointNodeId: string;
}
export declare function planNodeInsertion(graph: Graph, registry: NodeRegistry, nodeId: string, edgeId: string): EdgeInsertionPlan | undefined;
export declare function insertNodeIntoEdge(graph: Graph, registry: NodeRegistry, nodeId: string, edgeId: string): EdgeInsertionResult;
export declare function createTemporaryConnection(graph: Graph, registry: NodeRegistry, from: TemporaryConnectionSource, position: NodePosition, options?: {
    edge?: Partial<Edge>;
    endpointType?: string;
}): TemporaryConnectionResult | undefined;
export declare function removeTemporaryEndpointForEdge(graph: Graph, edge: Edge): Graph;
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