import type { DateFilterValue } from "../../../querying/filters/types";
import type { ParameterValueOrArray } from "../../../../metabase-types/api";
export declare function normalizeStringParameterValue(value: ParameterValueOrArray | null | undefined): string[];
export declare function normalizeNumberParameterValue(value: ParameterValueOrArray | null | undefined): number[];
export declare function normalizeBooleanParameterValue(value: ParameterValueOrArray | null | undefined): boolean[];
export declare function normalizeDateParameterValue(value: ParameterValueOrArray | null | undefined): DateFilterValue | undefined;
