export declare function convertNumbersToBNs(data: Record<string, any> | any[], keysToUpdate?: string[]): any[] | {
    [x: string]: any;
};
export declare function convertStringsToPublicKeys(data: Record<string, any> | any[], keysToUpdate?: string[]): any[] | {
    [x: string]: any;
};
declare type Constructor<T = object> = new (...args: any[]) => T;
/**
 * Runs `toType` over variables matching the patterns in keys from `existingType`
 * in order to convert them to the desired type
 * You may need to use with an `as` to satisfy Typescript:
 *    convertTypeToType(y, ["a"], "string", Number) as YourNewType
 */
export declare function convertTypeToType<TInput extends NonNullable<any> = NonNullable<any>, TOutput = any, TData extends {
    [key: string]: any;
} | any[] = {
    [key: string]: any;
} | any[], TResult extends {
    [Property in keyof TData]: any;
} | any[] = {
    [Property in keyof TData]: any;
} | any[]>(data: TData, keysToUpdate: string[], existingType: string | Constructor, toType: (arg0: TInput) => TOutput): TResult;
export {};
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