import { ISubgraphInput } from '../interfaces';
import { BaseLGraph, LGraph } from '../LGraph';
import { GraphOrSubgraph, Subgraph } from './Subgraph';
import { ExportedSubgraphInstance } from '../types/serialisation';
import { IBaseWidget } from '../types/widgets';
import { UUID } from '../utils/uuid';
import { LGraphButton } from '../LGraphButton';
import { LGraphCanvas } from '../LGraphCanvas';
import { LGraphNode } from '../LGraphNode';
import { INodeInputSlot, ISlotType, NodeId } from '../litegraph';
import { LLink, ResolvedConnection } from '../LLink';
import { ExecutableLGraphNode, ExecutionId } from './ExecutableNodeDTO';
/**
 * An instance of a {@link Subgraph}, displayed as a node on the containing (parent) graph.
 */
export declare class SubgraphNode extends LGraphNode implements BaseLGraph {
    #private;
    /** The (sub)graph that contains this subgraph instance. */
    readonly graph: GraphOrSubgraph;
    /** The definition of this subgraph; how its nodes are configured, etc. */
    readonly subgraph: Subgraph;
    inputs: (INodeInputSlot & Partial<ISubgraphInput>)[];
    readonly type: UUID;
    readonly isVirtualNode: true;
    get rootGraph(): LGraph;
    get displayType(): string;
    isSubgraphNode(): this is SubgraphNode;
    widgets: IBaseWidget[];
    constructor(
    /** The (sub)graph that contains this subgraph instance. */
    graph: GraphOrSubgraph, 
    /** The definition of this subgraph; how its nodes are configured, etc. */
    subgraph: Subgraph, instanceData: ExportedSubgraphInstance);
    onTitleButtonClick(button: LGraphButton, canvas: LGraphCanvas): void;
    configure(info: ExportedSubgraphInstance): void;
    _internalConfigureAfterSlots(): void;
    /**
     * Ensures the subgraph slot is in the params before adding the input as normal.
     * @param name The name of the input slot.
     * @param type The type of the input slot.
     * @param inputProperties Properties that are directly assigned to the created input. Default: a new, empty object.
     * @returns The new input slot.
     * @remarks Assertion is required to instantiate empty generic POJO.
     */
    addInput<TInput extends Partial<ISubgraphInput>>(name: string, type: ISlotType, inputProperties?: TInput): INodeInputSlot & TInput;
    getInputLink(slot: number): LLink | null;
    /**
     * Finds the internal links connected to the given input slot inside the subgraph, and resolves the nodes / slots.
     * @param slot The slot index
     * @returns The resolved connections, or undefined if no input node is found.
     * @remarks This is used to resolve the input links when dragging a link from a subgraph input slot.
     */
    resolveSubgraphInputLinks(slot: number): ResolvedConnection[];
    /**
     * Finds the internal link connected to the given output slot inside the subgraph, and resolves the nodes / slots.
     * @param slot The slot index
     * @returns The output node if found, otherwise undefined.
     */
    resolveSubgraphOutputLink(slot: number): ResolvedConnection | undefined;
    /** @internal Used to flatten the subgraph before execution. */
    getInnerNodes(
    /** The set of computed node DTOs for this execution. */
    executableNodes: Map<ExecutionId, ExecutableLGraphNode>, 
    /** The path of subgraph node IDs. */
    subgraphNodePath?: readonly NodeId[], 
    /** Internal recursion param. The list of nodes to add to. */
    nodes?: ExecutableLGraphNode[], 
    /** Internal recursion param. The set of visited nodes. */
    visited?: Set<SubgraphNode>): ExecutableLGraphNode[];
    removeWidgetByName(name: string): void;
    ensureWidgetRemoved(widget: IBaseWidget): void;
    onRemoved(): void;
}