/// <reference types="node" />
import { SpawnSyncOptions } from 'child_process';
import Spinner from './spinner';
export interface ExecutionState {
    spinner: Spinner;
    verbose: boolean;
}
/**
 * If the input path is a relative path, it resolves the path from
 * current working directory.
 *
 * @returns an absolute path
 */
export declare function resolvePath(rootPath: string): string;
/**
 * The function is designated to valid if a path from user input exists.
 * Note: this function only displays messages in console.
 * It does not log any info into file.
 *
 * @param filePath a relative path will be resolved relative to the current working directory
 * @param errorMessage error message to display before exit
 */
export declare function exitIfNonExistPath(filePath: string, errorMessage: string): void;
export declare function exitIfPathExists(filePath: string, errorMessage: string): void;
export declare function exitIfAnyMissingPath(paths: string[], errorMessage: string): void;
interface ExecutionError {
    status: number | null;
    stderr: string;
    stdout: string;
    error?: Error;
}
/**
 * Invoking a global command with child_process.spawnSync
 */
export declare function executeCmd(cmd: string, params?: readonly string[], options?: SpawnSyncOptions): Result<string, ExecutionError>;
interface SuccessResult<D> {
    state: 'success';
    data?: D;
}
interface ErrorResult<E> {
    state: 'error';
    error: E;
}
export type Result<D, E> = SuccessResult<D> | ErrorResult<E>;
export declare function isSuccessResult<D>(result: Result<D, unknown>): result is SuccessResult<D>;
export declare function isErrorResult<E>(result: Result<unknown, E>): result is ErrorResult<E>;
export {};