import { SpawnOptions } from 'node:child_process';
/** result of {@link exec} */
export interface ExecResult {
    /** stdout of the command */
    stdout: string;
    /** stderr of the command */
    stderr: string;
    /** exit code of the command */
    exitCode: number;
}
export declare class ExecError extends Error {
    readonly cmd: string[];
    readonly result: ExecResult;
    constructor(cmd: string[], result: ExecResult);
}
/**
 * execute a command and return its result
 *
 * **differences from node's `child_process.exec()`**:
 * - if `options.stdio` is set to `'inherit'`, the command will be printed to the console (unless `options.quiet` is set to `true`)
 * - on non-zero exit code, the promise will be rejected with an {@link ExecError} if `options.throwOnError` is set to `true`
 *
 * @param cmd  command to execute (first element is the command itself, the rest are arguments to it)
 */
export declare function exec(cmd: string[], options?: SpawnOptions & {
    throwOnError?: boolean;
    quiet?: boolean;
}): Promise<ExecResult>;