export interface LabelBuilder {
    getLabel(): string | undefined;
    /**
     * @deprecated Use .setLabel() instead
     */
    label(label: string): this;
    setLabel(label: string): this;
}
export declare class LabelHelper {
    #private;
    getLabel(): string | undefined;
    setLabel(label: string): void;
    build(): {
        label: string;
    } | {
        label?: undefined;
    };
}