import { SubgraphInput } from './SubgraphInput';
import { SubgraphInputNode } from './SubgraphInputNode';
import { SubgraphOutput } from './SubgraphOutput';
import { SubgraphOutputNode } from './SubgraphOutputNode';
import { DefaultConnectionColors, Hoverable, INodeInputSlot, INodeOutputSlot, Point, ReadOnlyRect, ReadOnlySize } from '../interfaces';
import { LGraphNode } from '../LGraphNode';
import { LinkId, LLink } from '../LLink';
import { RerouteId } from '../Reroute';
import { CanvasPointerEvent } from '../types/events';
import { Serialisable, SubgraphIO } from '../types/serialisation';
import { ConstrainedSize } from '../infrastructure/ConstrainedSize';
import { Rectangle } from '../infrastructure/Rectangle';
import { SlotBase } from '../node/SlotBase';
import { UUID } from '../utils/uuid';
export interface SubgraphSlotDrawOptions {
    ctx: CanvasRenderingContext2D;
    colorContext: DefaultConnectionColors;
    lowQuality?: boolean;
    fromSlot?: INodeInputSlot | INodeOutputSlot | SubgraphInput | SubgraphOutput;
    editorAlpha?: number;
}
/** Shared base class for the slots used on Subgraph . */
export declare abstract class SubgraphSlot extends SlotBase implements SubgraphIO, Hoverable, Serialisable<SubgraphIO> {
    #private;
    static get defaultHeight(): number;
    readonly measurement: ConstrainedSize;
    readonly id: UUID;
    readonly parent: SubgraphInputNode | SubgraphOutputNode;
    type: string;
    readonly linkIds: LinkId[];
    readonly boundingRect: Rectangle;
    get pos(): Point;
    set pos(value: Point);
    /** Whether this slot is connected to another slot. */
    get isConnected(): boolean;
    /** The display name of this slot. */
    get displayName(): string;
    abstract get labelPos(): Point;
    constructor(slot: SubgraphIO, parent: SubgraphInputNode | SubgraphOutputNode);
    isPointerOver: boolean;
    containsPoint(point: Point): boolean;
    onPointerMove(e: CanvasPointerEvent): void;
    getLinks(): LLink[];
    decrementSlots(inputsOrOutputs: "inputs" | "outputs"): void;
    measure(): ReadOnlySize;
    abstract arrange(rect: ReadOnlyRect): void;
    abstract connect(slot: INodeInputSlot | INodeOutputSlot, node: LGraphNode, afterRerouteId?: RerouteId): LLink | undefined;
    /**
     * Disconnects all links connected to this slot.
     */
    disconnect(): void;
    /**
     * Checks if this slot is a valid target for a connection from the given slot.
     * @param fromSlot The slot that is being dragged to connect to this slot.
     * @returns true if the connection is valid, false otherwise.
     */
    abstract isValidTarget(fromSlot: INodeInputSlot | INodeOutputSlot | SubgraphInput | SubgraphOutput): boolean;
    /** @remarks Leaves the context dirty. */
    draw({ ctx, colorContext, lowQuality, fromSlot, editorAlpha }: SubgraphSlotDrawOptions): void;
    asSerialisable(): SubgraphIO;
}