type Paths = {
    [key: string]: {
        [key: string]: any;
    };
};
type HTTPMethod = 'get' | 'put' | 'post' | 'delete' | 'options' | 'head' | 'patch' | 'trace';
type PathMethods<paths extends Paths, TPath extends keyof paths> = {
    [TMethod in HTTPMethod]: paths[TPath][TMethod] extends undefined ? never : TMethod;
}[HTTPMethod];
type AnyRequestBody = {
    content: Record<string, any>;
};
type AnyResponses = Record<number, {
    content?: Record<string, any>;
    headers?: Record<string, any>;
}>;
type AnyParameters = {
    query?: Record<string, any>;
    header?: Record<string, any>;
    path?: Record<string, any>;
    cookie?: Record<string, any>;
};
type AnyRoute = {
    responses: AnyResponses;
    requestBody?: AnyRequestBody;
    parameters: AnyParameters;
};
type Prettify<T> = {
    [K in keyof T]: T[K];
} & {};
type ApiResponse<TResponses extends AnyResponses> = {
    [TStatus in keyof TResponses]: TStatus extends number ? TResponses[TStatus]['content'] extends undefined ? {
        status: TStatus;
        contentType: never;
        data: never;
        headers: TResponses[TStatus]['headers'] extends Record<string, unknown> ? Map<keyof TResponses[TStatus]['headers'], TResponses[TStatus]['headers'][keyof TResponses[TStatus]['headers']]> : TResponses[TStatus]['headers'];
    } : {
        [K in keyof TResponses[TStatus]['content']]: {
            status: TStatus;
            contentType: K;
            data: TResponses[TStatus]['content'][K];
            headers: TResponses[TStatus]['headers'] extends Record<string, unknown> ? Map<keyof TResponses[TStatus]['headers'], TResponses[TStatus]['headers'][keyof TResponses[TStatus]['headers']]> : TResponses[TStatus]['headers'];
        };
    }[keyof TResponses[TStatus]['content']] : never;
}[keyof TResponses];
type ApiRequestBody<TBody extends AnyRequestBody | undefined> = TBody extends AnyRequestBody ? {
    [K in keyof TBody['content']]: {
        contentType: K;
        data: TBody['content'][K];
    };
}[keyof TBody['content']] : {
    contentType?: undefined;
    data?: undefined;
};
type HeaderObject = Record<string, string>;
type HeaderPredicate = () => PromiseLike<HeaderObject>;
type OpenApiHookOptions = {
    baseUrl: URL | string;
    headers?: HeaderObject | HeaderPredicate;
    onError?: (error: ApiError) => void;
};
declare class ApiError extends Error {
    status: number;
    constructor(message: string, status: number);
    static fromResponse(response: Response): ApiError;
}
declare const createFetch: <paths extends Paths>(options?: OpenApiHookOptions) => <TPath extends keyof paths, TMethod extends PathMethods<paths, TPath>, TOptions extends TRoute["parameters"] & ApiRequestBody<TRoute["requestBody"]> & {
    fetchOptions?: RequestInit;
}, TRoute extends AnyRoute = paths[TPath][TMethod] extends AnyRoute ? paths[TPath][TMethod] : never>(path: TPath, method: TMethod, options: TOptions) => Promise<Prettify<ApiResponse<TRoute["responses"]>>>;

export { ApiError, type ApiRequestBody, type ApiResponse, type HeaderObject, type HeaderPredicate, type OpenApiHookOptions, type PathMethods, createFetch };