import { IWidgetInputSlot, SharedIntersection } from '../interfaces';
import { INodeInputSlot, INodeOutputSlot, INodeSlot, IWidget } from '../litegraph';
import { ISerialisableNodeInput, ISerialisableNodeOutput } from '../types/serialisation';
type CommonIoSlotProps = SharedIntersection<ISerialisableNodeInput, ISerialisableNodeOutput>;
export declare function shallowCloneCommonProps(slot: CommonIoSlotProps): CommonIoSlotProps;
export declare function inputAsSerialisable(slot: INodeInputSlot): ISerialisableNodeInput;
export declare function outputAsSerialisable(slot: INodeOutputSlot & {
    widget?: IWidget;
}): ISerialisableNodeOutput;
export declare function isINodeInputSlot(slot: INodeSlot): slot is INodeInputSlot;
export declare function isINodeOutputSlot(slot: INodeSlot): slot is INodeOutputSlot;
/**
 * Type guard: Whether this input slot is attached to a widget.
 * @param slot The slot to check.
 */
export declare function isWidgetInputSlot(slot: INodeInputSlot): slot is IWidgetInputSlot;
export {};