export type ShellType = "unix" | "powershell" | "cmd";
export declare function detectShellType(): ShellType;
export declare function shellEscape(value: string, shellType: ShellType): string;
export declare function buildEnvPrefix(env: Record<string, string>, shellType: ShellType): string;
export declare function shellEscapeForDoubleQuotedCommand(value: string): string;