/**
 * Argument parsing and output shared by every `nexus` command, so each one reads its flags the same
 * way and every command's `--json` output can be piped into something else.
 */
export type Flags = Record<string, string | boolean>;
export interface ParsedArgs {
    positionals: string[];
    flags: Flags;
}
/** Flags that never take a value, so `--json file.json` keeps `file.json` as a positional. */
export declare const BOOLEAN_FLAGS: Set<string>;
export declare function parseArgs(args: string[]): ParsedArgs;
export declare function flagBool(flags: Flags, name: string): boolean;
export declare function stringFlag(flags: Flags, name: string): string | undefined;
export declare function numberFlag(flags: Flags, name: string): number | undefined;
/** A comma-separated flag, as a list. `--tags a,b` and `--tags a --tags b` are not both supported; the first is. */
export declare function listFlag(flags: Flags, name: string): string[] | undefined;
export declare function isRecord(value: unknown): value is Record<string, unknown>;
export declare function writeJson(value: unknown): void;
export declare function printTable(rows: Array<Record<string, string>>, columns: string[]): void;
/** Imports a user's module by path, relative to the working directory. */
export declare function loadModule(file: string): Promise<Record<string, unknown>>;
/** An error the user can act on, printed without a stack trace. */
export declare class CliUsageError extends Error {
    constructor(message: string);
}