import type {RequestHandler} from "express"

export {} // external module indicator

export declare type Replacer = (str: string) => string | Promise<string>

export declare interface SedOptions {
    /// HTTP request method: regexp or forward match string.
    /// `null` (the default) matches every method. HEAD requests are
    /// promoted to GET internally so the resulting Content-Length stays
    /// consistent with the equivalent GET response.
    method?: RegExp | {test: (str: string) => boolean} | null

    /// HTTP response Content-Type: regexp or forward match string
    contentType?: RegExp | {test: (str: string) => boolean}
}

export declare const sed: (replacer: (string | Replacer), options?: SedOptions) => RequestHandler