import { NextApiRequest } from 'next';
export declare function getBody<T>(request: NextApiRequest): T;
export declare function getQuery<T>(request: NextApiRequest): T;
export declare function getPageFromQuery(request: NextApiRequest): number;
export declare function data<Input>(input: Input): {
    data: Input;
};
export declare function error(input: string[] | string): {
    errors: string[];
    error?: undefined;
} | {
    error: string;
    errors?: undefined;
};
export declare function errors(input: string[]): {
    errors: string[];
    error?: undefined;
} | {
    error: string;
    errors?: undefined;
};