import { HelpersError } from './interfaces';
export declare class NameHelpersError extends HelpersError {
}
export declare type Env = 'production' | 'development';
export declare function getEnv(env: string): Env;
export declare function isJsExt(name?: string, ext?: string): boolean;
export declare function normalizeName(name: string): string;
export declare function regExpEscape(s: string): string;
export declare function normalizeUmdName(name: string): string;
export declare function fixPath(name: string): string;
export declare function packagesToGlobalNames(external: string[], excludeMap?: {
    [pkgName: string]: string;
}): {
    [pkgName: string]: string;
};
export declare function cutExt(input: string): string;
export declare function getExt(input: string): string;
export declare function getName(rawInput: string): string;