import type { GenericNode } from 'mystjs';
import type { Node } from 'prosemirror-model';
import type { MdSerializerState } from '../types';
import { nodeNames } from '../types';
import type { NodeSpecAttrs, NumberedNode } from './types';
export declare const getImageWidth: (width?: number | string | null) => number;
export declare function readBooleanAttr(val?: string | boolean | null): boolean;
export declare function readBooleanDomAttr(dom: HTMLElement, attr: string): boolean;
export declare function convertToBooleanAttribute(value: boolean): "" | undefined;
export declare const getNumberedDefaultAttrs: () => NodeSpecAttrs<NumberedNode>;
export declare function getAttr(dom: HTMLElement, name: string, defaultValue?: any): any;
export declare function getNumberedAttrs(dom: HTMLElement): NumberedNode;
export declare function setNumberedAttrs(attrs: Record<string, any>): Record<keyof NumberedNode, string | undefined>;
/**
 * @param node ProsemirrorNode
 * @param name Name of the node(s) to find
 * @param descend go through all children of the node, default=false is only direct children
 * @returns The first node with the name found
 */
export declare function getFirstChildWithName(node: Node, name: nodeNames | nodeNames[], descend?: boolean): Node | null;
export declare const TOTAL_TABLE_WIDTH = 886;
export declare function renderPColumn(width: number): string;
/**
 * given a table node, return the column widths
 *
 * @param node  - node.type.name === 'table'
 * @returns
 */
export declare function getColumnWidths(node: Node): {
    widths: any;
    columnSpec: any;
    numColumns: any;
};
/** Given a node, return true if there is a fancy table descendent
 *
 * "fancy" means there are table_cells or table_headers with
 * colspan or rowspan > 1.
 */
export declare function hasFancyTable(node: Node): boolean;
export declare function addMdastSnippet(state: MdSerializerState, node: Node): string | false;
export declare function writeMdastSnippet(state: MdSerializerState, node: Node): boolean;
export declare function normalizeLabel(label?: string | null): {
    identifier: string;
    label: string;
} | undefined;
/**
 * Take a node and return a single flattened text value from value/children
 */
export declare function flattenValues(node: GenericNode): string;