export interface nilToEmptyStringFn {
    (v: undefined): '';
    (v: null): '';
    (v: ''): '';
    <T>(v: T): Exclude<T, undefined | null | ''>;
}
export declare const nilToEmptyString: nilToEmptyStringFn;
export declare const searchParamsToObj: (params: URLSearchParams) => Record<string, string | string[]>;
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