import type { IRunOptions } from 'docx';
import { type DocumentRunShading } from './work-document-run-shading';
export interface DocxRunShadingPatch {
    marker: string;
    shading: DocumentRunShading;
}
export declare class DocxRunShadingPatchCollector {
    readonly patches: DocxRunShadingPatch[];
    private nextMarker;
    private readonly usedColors;
    constructor(sourceHtml: string);
    marker(source: unknown): string | null;
    hasMarker(value: string | null | undefined): value is string;
}
export declare function documentRunShadingDocxOptions(source: unknown, collector: DocxRunShadingPatchCollector): Pick<IRunOptions, 'shading'>;
export declare function patchDocxRunShading(buffer: ArrayBuffer, patches: readonly DocxRunShadingPatch[]): Promise<ArrayBuffer>;
export declare function setDocxRunShadingAttributes(document: Document, element: Element, source: unknown): boolean;