export declare function getNumberFromReqQuery(value: string | (string | null)[]): number | undefined;
export declare function getStringFromReqQuery(value: string | (string | null)[]): string | undefined;
export declare function getStringComma(value: Array<string | number>): string | undefined;
export declare function getStringListFromStringComma(value: string): string[] | undefined;
export declare function getNumberListFromStringComma(value: string): number[] | undefined;
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