/**
 * Error registry for application-services
 *
 * This registry defines all error codes used in the application-services library,
 * providing type safety and documentation for error handling.
 */
declare module 'yerror' {
    interface YErrorRegistry {
        /**
         * Thrown when an invalid application environment is provided.
         */
        E_BAD_APP_ENV: [
            providedAppEnv: string,
            availableAppEnvs: readonly string[]
        ];
        /**
         * Thrown when NODE_ENV contains a non-standard value.
         */
        E_BAD_NODE_ENV: [nodeEnv: string, validNodeEnvs: readonly string[]];
        /**
         * Thrown when an attempt is made to change NODE_ENV via environment files.
         */
        E_BAD_ENV: [currentNodeEnv: string, expectedNodeEnv: string];
        /**
         * Thrown when the configuration file cannot be loaded.
         */
        E_NO_CONFIG: [configPath: string];
        /**
         * Thrown when the project directory cannot be found.
         */
        E_NO_PROJECT_DIR: [];
    }
}
export {};