import type { DOMPurify } from 'dompurify';
import type { MermaidRendererService, MermaidRenderRequest, MermaidRenderResult } from './contract.js';
export interface MermaidApi {
    initialize(config: {
        startOnLoad: boolean;
        securityLevel: 'strict';
    }): void;
    render(id: string, source: string): Promise<{
        svg: string;
    }>;
}
export declare class SvgMermaidRenderer implements MermaidRendererService {
    private readonly mermaid;
    private readonly purifier;
    private nextId;
    constructor(mermaid: MermaidApi, purifier: DOMPurify);
    render(request: MermaidRenderRequest): Promise<MermaidRenderResult>;
}
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