/// <reference types="node" />
import type { XMLParseOptions } from "libxmljs";
export default function validateSchema(xml: string | Buffer, xsdSchema: string | Buffer, xmlParserOptions?: XMLParseOptions, xsdParserOptions?: XMLParseOptions): true | ValidationError[];
export interface ValidationError extends Error {
    domain: number | null;
    code: number | null;
    level: number | null;
    line: number | null;
    column: number;
}