import type { ServerOptions } from './Server.ts';
/**
  Display error in console and exit process.
*/
export declare function exitWithError(message: string): never;
/**
  Determine which places to listen at.
*/
export declare function getDomainsAndPort(options: ServerOptions): Promise<{
    domains: string[];
    port: number | boolean;
}>;
/**
  Calculate the base path used by the Kitten server to find files in the served app.
*/
export declare function setBasePath(workingDirectory: string, pathToServe: string): string;
/**
  Returns unique project identifier based on the path of the project
  that can be used as the name of a directory.
*/
export declare function getProjectIdentifierForDomain(domain: string, port: number): string;
export declare const HTTP_METHODS: string[];
export declare const BACKEND_EXTENSIONS: string[];
export declare const FRONTEND_EXTENSIONS: string[];
export declare const DEPENDENCY_EXTENSIONS: string[];
export declare const DYNAMIC_ROUTE_EXTENSIONS: string[];
export declare const STATIC_ROUTE_EXTENSIONS: string[];
export declare const ALL_ROUTE_EXTENSIONS: string[];
export declare const extensionCategories: Record<string, string[]>;
export declare const supportedExtensionsRegExp: string;
/**
  Since Polka does not handle unicode in paths correctly
  (see https://github.com/lukeed/polka/issues/187), we have to
  split the file path and URI encode each component ourselves.
*/
export declare const encodeFilePath: (filePath: string) => string;
/**
  Inverse of encodeFilePath. Used when we want to avoid
  double escaping of file paths.
*/
export declare const decodeFilePath: (filePath: string) => string;
/**
  Returns the complete extension (e.g., page.js not just .js)
  of the passed file path. Works with any number of extensions,
  returning the last two without a dot at the start.
*/
export declare function extensionOfFilePath(filePath: string): string;
/**
  Given a file path, derives the unique class name for its route.
*/
export declare function classNameFromFilePath(filePath: string, basePath: string): string;
/**
  Derives the route pattern for the passed file path based on the base path.
*/
export declare function routePatternFromFilePath(filePath: string, basePath: string): string;
/**
  Converts a route in the form of, e.g.,
  '/some_thing/with/underscores-and-hyphens' to
  SomeThingWithUnderscoresAndHyphensPage.
*/
export declare function classNameFromRoutePattern(pattern: string): string;
export declare const kittenAppPath: string;
/**
  Run passed command (either 'ci' or 'install') on the given module path.
*/
export declare function npm(command: 'ci' | 'install', modulePath: string): boolean;
/**
  Runs npm ci on the passed module path.
*/
export declare function runNpmCiOnModulePath(modulePath: string): void;
/**
  db namespace for JSDB database-related utility functions.
*/
export declare class db {
    /**
      Given a JSDB change string, returns the dot-separated keypath of the changed property.
    */
    static keypathForChange(change: string): string;
}