import type { Node as ProseMirrorNode } from "@tiptap/pm/model";
import type { EditorState, Transaction } from "@tiptap/pm/state";
export declare function findButtonNodeById(doc: ProseMirrorNode, id: string): {
    pos: number;
    node: ProseMirrorNode;
} | null;
export declare function findButtonNodeAtPosition(doc: ProseMirrorNode, position: number): {
    pos: number;
    node: ProseMirrorNode;
} | null;
export declare function extractButtonTextContent(node: ProseMirrorNode): string;
export declare function syncButtonContentToLabelAttr(state: EditorState): Transaction | null;
export declare function updateButtonLabelAndContent(tr: Transaction, buttonPos: number, newLabel: string): boolean;