declare module 'xmldom' {
  export class DOMParser {
    parseFromString(source: string, mimeType: string): Document;
  }

  export class XMLSerializer {
    serializeToString(node: Node): string;
  }
}

declare module 'pako' {
  export function inflate(input: Uint8Array | ArrayBuffer | string, options?: unknown): Uint8Array;
}

declare module 'saxon-js' {
  export function compile(options: {
    stylesheetText: string;
    warnings?: string;
    [key: string]: unknown;
  }): Promise<unknown>;

  export function transform(options: {
    stylesheetInternal?: unknown;
    sourceText: string;
    destination?: string;
    stylesheetParams?: Record<string, unknown>;
    [key: string]: unknown;
  }): Promise<{
    principalResult: string;
    [key: string]: unknown;
  }>;
}