export interface ShellExecutable {
    readonly command: string;
    readonly argsPrefix: readonly string[];
    readonly scriptExtension: "cmd" | "sh";
    readonly scriptInvocation: (scriptPath: string) => string;
}
export interface PreparedShellCommand {
    readonly commandText: string;
    readonly originalCommandText: string;
    readonly commandLineCount: number;
    readonly commandFilePath?: string;
}

export declare function resolveUnixCommandShell(env?: NodeJS.ProcessEnv, exists?: (path: string) => boolean): string;
export declare function shellExecutable(): ShellExecutable;
export declare function prepareShellCommand(commandText: string, workspaceRoot: string, shell: ShellExecutable): Promise<PreparedShellCommand>;