import { type WorkDocumentEquation } from './work-document-equations';
import { type WorkDocumentEquationOpaque } from './work-document-equation-opaque';
interface DocxEquationPatch {
    marker: string;
    equation?: WorkDocumentEquation;
    opaque?: WorkDocumentEquationOpaque;
}
export declare class DocxEquationPatchCollector {
    private readonly source;
    readonly patches: DocxEquationPatch[];
    private nextMarker;
    constructor(source: string);
    marker(element: HTMLElement): string | null;
}
export declare function patchDocxEquations(buffer: ArrayBuffer, patches: readonly DocxEquationPatch[]): Promise<ArrayBuffer>;
export {};