import { EmptySubgraphInput } from './EmptySubgraphInput';
import { EmptySubgraphOutput } from './EmptySubgraphOutput';
import { Subgraph } from './Subgraph';
import { SubgraphInput } from './SubgraphInput';
import { SubgraphOutput } from './SubgraphOutput';
import { LinkConnector } from '../canvas/LinkConnector';
import { DefaultConnectionColors, Hoverable, INodeInputSlot, INodeOutputSlot, Point, Positionable } from '../interfaces';
import { NodeId } from '../LGraphNode';
import { ExportedSubgraphIONode, Serialisable } from '../types/serialisation';
import { Rectangle } from '../infrastructure/Rectangle';
import { CanvasColour, CanvasPointer, CanvasPointerEvent } from '../litegraph';
import { CanvasItem } from '../types/globalEnums';
export declare abstract class SubgraphIONodeBase<TSlot extends SubgraphInput | SubgraphOutput> implements Positionable, Hoverable, Serialisable<ExportedSubgraphIONode> {
    #private;
    /** The subgraph that this node belongs to. */
    readonly subgraph: Subgraph;
    static margin: number;
    static minWidth: number;
    static roundedRadius: number;
    abstract readonly id: NodeId;
    get boundingRect(): Rectangle;
    selected: boolean;
    pinned: boolean;
    readonly removable = false;
    isPointerOver: boolean;
    abstract readonly emptySlot: EmptySubgraphInput | EmptySubgraphOutput;
    get pos(): Point;
    set pos(value: Point);
    get size(): import('../interfaces').Size;
    set size(value: import('../interfaces').Size);
    protected get sideLineWidth(): number;
    protected get sideStrokeStyle(): CanvasColour;
    abstract readonly slots: TSlot[];
    abstract get allSlots(): TSlot[];
    constructor(
    /** The subgraph that this node belongs to. */
    subgraph: Subgraph);
    move(deltaX: number, deltaY: number): void;
    /** @inheritdoc */
    snapToGrid(snapTo: number): boolean;
    abstract onPointerDown(e: CanvasPointerEvent, pointer: CanvasPointer, linkConnector: LinkConnector): void;
    containsPoint(point: Point): boolean;
    abstract get slotAnchorX(): number;
    onPointerMove(e: CanvasPointerEvent): CanvasItem;
    onPointerEnter(): void;
    onPointerLeave(): void;
    /**
     * Renames an IO slot in the subgraph.
     * @param slot The slot to rename.
     * @param name The new name for the slot.
     */
    abstract renameSlot(slot: TSlot, name: string): void;
    /**
     * Removes an IO slot from the subgraph.
     * @param slot The slot to remove.
     */
    abstract removeSlot(slot: TSlot): void;
    /**
     * Gets the slot at a given position in canvas space.
     * @param x The x coordinate of the position.
     * @param y The y coordinate of the position.
     * @returns The slot at the given position, otherwise `undefined`.
     */
    getSlotInPosition(x: number, y: number): TSlot | undefined;
    /**
     * Shows the context menu for an IO slot.
     * @param slot The slot to show the context menu for.
     * @param event The event that triggered the context menu.
     */
    protected showSlotContextMenu(slot: TSlot, event: CanvasPointerEvent): void;
    /** Arrange the slots in this node. */
    arrange(): void;
    draw(ctx: CanvasRenderingContext2D, colorContext: DefaultConnectionColors, fromSlot?: INodeInputSlot | INodeOutputSlot | SubgraphInput | SubgraphOutput, editorAlpha?: number): void;
    /** @internal Leaves {@link ctx} dirty. */
    protected abstract drawProtected(ctx: CanvasRenderingContext2D, colorContext: DefaultConnectionColors, fromSlot?: INodeInputSlot | INodeOutputSlot | SubgraphInput | SubgraphOutput, editorAlpha?: number): void;
    /** @internal Leaves {@link ctx} dirty. */
    protected drawSlots(ctx: CanvasRenderingContext2D, colorContext: DefaultConnectionColors, fromSlot?: INodeInputSlot | INodeOutputSlot | SubgraphInput | SubgraphOutput, editorAlpha?: number): void;
    configure(data: ExportedSubgraphIONode): void;
    asSerialisable(): ExportedSubgraphIONode;
}