import { Node } from "slate";
declare function isFormattableBlockType(nodeOrTypeString: string | Node): boolean;
declare function canMergeAIntoB(typeA: string, typeB: string): boolean;
declare function canMergeAIntoB(a: Node, b: Node): boolean;
declare const _default: {
    isFormattableBlockType: typeof isFormattableBlockType;
    canMergeAIntoB: typeof canMergeAIntoB;
};
export default _default;