import type { SQL, Column } from '../db/types.js';
interface HasTemporalColumns {
    effectiveFrom: Column;
    effectiveTo: Column;
}
export declare function atTime<T extends HasTemporalColumns>(table: T, asOf: Date): SQL;
export declare function current<T extends HasTemporalColumns>(table: T): SQL;
export declare function between<T extends HasTemporalColumns>(table: T, from: Date, to: Date): SQL;
export {};
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