export type MermaidPreset = {
    key: string;
    paddingX: number;
    boxBorderPadding: number;
};
export type RenderedDiagram = {
    ansi: string;
    lines: string[];
    maxWidth: number;
    lineCount: number;
};
export type RenderCache = {
    map: Map<string, RenderedDiagram>;
    maxEntries: number;
};
export declare const PRESETS: MermaidPreset[];
export declare function hashCode(code: string): string;
export declare function createCache(maxEntries?: number): RenderCache;
export declare function renderWithCache(cache: RenderCache, code: string, preset: MermaidPreset): RenderedDiagram;
export declare function pickBestPreset(cache: RenderCache, code: string, width: number): {
    preset: MermaidPreset;
    rendered: RenderedDiagram;
    overflowed: boolean;
};
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