import type { Serializable } from '@t4h.framework/core';
interface ToLineOptions {
    delimiter?: string;
}
export declare namespace CSV {
    type Column = string | {
        key: string;
        header?: string;
    };
    function toHeader(columns: CSV.Column[], options?: ToLineOptions): string;
    function toLine(value: Serializable, columns: CSV.Column[], options?: ToLineOptions): string;
}
export {};
//# sourceMappingURL=CSV.d.ts.map