export type Flags = Map<string, string | boolean>;
export declare function parseArgs(argv: string[]): {
    positionals: string[];
    flags: Flags;
};
export declare const flagStr: (flags: Flags, key: string) => string | undefined;
/** A positive-integer flag (e.g. --max-steps, --expect-timeout). Absent → undefined so the
 * library default applies; present but not a positive integer → a clear error, not NaN deep
 * in the run. */
export declare const flagNum: (flags: Flags, key: string) => number | undefined;