import { FrequencyBuilderJSON, FrequencyBuilderProps, IntervalUnit } from "../types/Frequency";
export default class FrequencyBuilder {
    private interval_unit?;
    private interval_count?;
    constructor(data?: FrequencyBuilderProps);
    setIntervalUnit(interval: IntervalUnit): FrequencyBuilder;
    setIntervalCount(count: number): FrequencyBuilder;
    toJSON(): Readonly<FrequencyBuilderJSON>;
    verifyData(): void;
}