export interface DPIPreset {
    name: string;
    dpi: number;
    description: string;
    typical_printers: string[];
}
export declare const DPI_PRESETS: Record<string, DPIPreset>;
export declare function getDPIPreset(dpi: number): DPIPreset | null;
export declare function listDPIPresets(): void;
export declare function calculateScaleFactor(fromDPI: number, toDPI: number): number;
export declare function recommendedFontSize(baseFontSize: number, targetDPI: number): number;