import { Token } from '@lumino/coreutils';
import type MermaidType from 'mermaid';
import type { MermaidConfig } from 'mermaid/dist/config.type';
export declare const MERMAID_MIME_TYPE = "text/vnd.mermaid";
export declare const MERMAID_FILE_EXTENSIONS: string[];
export declare const RE_DEFAULT_RENDERER: RegExp;
export declare const MERMAID_DEFAULT_THEME: MermaidConfig['theme'];
export declare const MERMAID_DARK_THEME: MermaidConfig['theme'];
export declare const MERMAID_CLASS = "jp-RenderedMermaid";
export declare const MERMAID_CODE_CLASS = "mermaid";
export declare const WARNING_CLASS = "jp-mod-warning";
export declare const DETAILS_CLASS = "jp-RenderedMermaid-Details";
export declare const SUMMARY_CLASS = "jp-RenderedMermaid-Summary";
/**
 * The exported token for a mermaid manager
 */
export declare const IMermaidManager: Token<IMermaidManager>;
/**
 * A namespace for public mermaid interfaces.
 */
export interface IMermaidManager {
    /**
     * Get the (potentially uninitialized) mermaid module.
     */
    getMermaid(): Promise<typeof MermaidType>;
    /**
     * Get the version of the currently-loaded mermaid module
     */
    getMermaidVersion(): string | null;
    /**
     * Render mermaid source to an SVG string with extracted metadata.
     */
    renderSvg(text: string): Promise<IMermaidManager.IRenderInfo>;
    /**
     * Render and cache mermaid source as a figure of an image, or a unsuccessful parser message.
     */
    renderFigure(text: string): Promise<HTMLElement>;
    /**
     * Get the pre-cached element for a mermaid string, if available.
     */
    getCachedFigure(text: string): HTMLElement | null;
}
/**
 * A namespace for the mermaid manager.
 */
export declare namespace IMermaidManager {
    /**
     * The results of a successful rendering of a mermaid text-based diagram.
     */
    interface IRenderInfo {
        /** the original source of the diagram. */
        text: string;
        /** The raw rendered SVG. */
        svg: string;
        /** The extracted accessible description, if found. */
        accessibleDescription?: string | null;
        /** The extracted accessible title, if found. */
        accessibleTitle?: string | null;
        /** The extracted width of the digaram, if found. */
        width?: number | null;
    }
}
/**
 * The exported token for a mermaid manager
 */
export declare const IMermaidMarkdown: Token<IMermaidMarkdown>;
/**
 * A handler for mermaid fenced code blocks in markdown
 *
 * This duplicates the (currently) private `IFencedBlockRenderer` in
 * `@jupyterlab/markedparser-extension`.
 */
export interface IMermaidMarkdown {
    /**
     * The languages this block accepts.
     */
    languages: string[];
    /**
     * The order in which the block would be processed
     */
    rank: number;
    /**
     * Handle up-front loading/parsing mermaid
     */
    walk: (text: string) => Promise<void>;
    /**
     * Provide pre-rendered diagram content
     */
    render: (text: string) => string | null;
}