import { NextConfig } from 'next';
import { LogLevel, Logger } from './logger';
import { type NextRequest, type NextResponse } from 'next/server';
import { RequestJSON } from './shared';
type NextConfigContext = {
    defaultConfig: NextConfig;
};
type NextConfigFn = (phase: string, context: NextConfigContext) => NextConfig | Promise<NextConfig>;
export declare function withAxiomNextConfig(nextConfigOrFn: NextConfigFn): NextConfigFn;
export declare function withAxiomNextConfig(nextConfigOrFn: NextConfig): NextConfig;
export type AxiomRequest = NextRequest & {
    log: Logger;
};
export type NextHandler<T = any> = (req: AxiomRequest, arg?: T) => Promise<Response> | Promise<NextResponse> | NextResponse | Response;
type NextJsNextHandler<T = any> = (req: NextRequest, arg?: T) => Promise<Response> | Promise<NextResponse> | NextResponse | Response;
type AxiomRouteHandlerConfig = {
    logRequestDetails?: boolean | (keyof RequestJSON)[];
    notFoundLogLevel?: LogLevel;
    redirectLogLevel?: LogLevel;
};
export declare function withAxiomRouteHandler(handler: NextHandler, config?: AxiomRouteHandlerConfig): NextJsNextHandler;
export declare function withAxiom(param: NextHandler, config?: AxiomRouteHandlerConfig): NextJsNextHandler;
export declare function withAxiom(param: NextConfigFn): NextConfigFn;
export declare function withAxiom(param: NextConfig): NextConfig;
export {};