declare const BASH_DIALECTS: readonly ["sh", "bash", "dash", "ksh", "zsh", "csh", "ash"]; type BashDialect = (typeof BASH_DIALECTS)[number]; export declare function getShebang(fileContent: string): string | null; export declare function getShellDialect(shebang: string): BashDialect | null; export declare function getShellDialectFromShellDirective(fileContent: string): BashDialect | null; export declare function analyzeShebang(fileContent: string): { shellDialect: BashDialect | null; shebang: string | null; }; export {};