export declare const ELEMENT_SPACER = "spacer";
export declare const buildInSizes: readonly ["sm", "md", "lg", "xl"];
export interface SpacerElementState {
    type: typeof ELEMENT_SPACER;
    size: string;
}
export declare const createSpacerPlugin: <OP = import('@udecode/utils').AnyObject, OV extends import('@udecode/slate').Value = import('@udecode/slate').Value, OE extends import('@udecode/plate-common').PlateEditor<OV> = import('@udecode/plate-common').PlateEditor<OV>>(override?: Partial<import('@udecode/plate-common').PlatePlugin<import('@udecode/plate-common').NoInfer<OP>, OV, OE>> | undefined, overrideByKey?: import('@udecode/plate-common').OverrideByKey<OV, OE> | undefined) => import('@udecode/plate-common').PlatePlugin<import('@udecode/plate-common').NoInfer<OP>, OV, OE>;
//# sourceMappingURL=plugin.d.ts.map