import * as Knex from 'knex';
import { MapDataType, PartialBy } from './data_types';
import { AbstractCrudModel, Data } from './abstract_crud';
declare const frequencyColumns: {
    readonly id: "frequency_id";
    readonly frequency: "frequency";
    readonly languagePrefix: "language_prefix";
    readonly timeIncrement: "time_increment";
    readonly timeUnit: "time_unit";
    readonly created: "input_date";
    readonly updated: "last_update";
};
export declare type FrequencyData = Data & {
    frequency: string;
    languagePrefix?: string;
    timeIncrement?: number;
    timeUnit: 'day' | 'week' | 'month' | 'year';
};
declare type RawFrequencyData = MapDataType<typeof frequencyColumns, FrequencyData, {
    frequency_id: number;
}>;
export declare class Frequency extends AbstractCrudModel<FrequencyData, RawFrequencyData, 'frequency_id'> {
    constructor(db: Knex);
    protected toRaw(data: PartialBy<FrequencyData, 'id'>): Promise<PartialBy<MapDataType<{
        readonly id: "frequency_id";
        readonly frequency: "frequency";
        readonly languagePrefix: "language_prefix";
        readonly timeIncrement: "time_increment";
        readonly timeUnit: "time_unit";
        readonly created: "input_date";
        readonly updated: "last_update";
    }, FrequencyData, {
        frequency_id: number;
    }>, "frequency_id">>;
    protected toData(data: RawFrequencyData): Promise<{
        id: number;
        frequency: string;
        languagePrefix: string | undefined;
        timeIncrement: number | undefined;
        timeUnit: "day" | "month" | "year" | "week";
        created: Date | undefined;
        updated: Date | undefined;
    }>;
}
export {};