export interface IPromRoute {
    route: string;
    name: string;
}
export interface IPrometheusConfigurationOptions {
    [key: string]: string | object;
    routes?: IPromRoute[];
    defaultPath?: string;
}
export declare function customNormalize(url: string, routes: IPromRoute[], options?: any): any;
export default function createPrometheusMiddleware({routes, defaultPath}: IPrometheusConfigurationOptions): any;