export declare const ELEMENT_BUTTON = "button";
declare const validAlign: readonly ["left", "center", "right", "justify"];
declare const validSize: readonly ["sm", "md"];
export interface ButtonState {
    type: typeof ELEMENT_BUTTON;
    href?: string;
    align: typeof validAlign[number];
    size: typeof validSize[number];
    square: boolean;
}
export declare const createButtonPlugin: <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>;
export {};
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