export declare class PrintingTechniqueConstraints {
    allowRasterElements: boolean;
    minWidth: number | null;
    minFontSize: number | null;
    targetDpi: number | null;
    constructor();
    protected _copy(source: PrintingTechniqueConstraints, destination: PrintingTechniqueConstraints, generateNewIds: boolean): void;
    clone(generateNewIds?: boolean): PrintingTechniqueConstraints;
    toJSON(): {
        allowRasterElements: boolean;
        minWidth: number;
        minFontSize: number;
        targetDpi: number;
    };
}