/**
 * Extracts an npm package version from raw command output.
 *
 * Both npm and CLI commands may emit unrelated warnings before the version. CLI commands use the first matching token;
 * npm registry commands can opt into the last matching token because npm warnings commonly precede their output.
 *
 * @returns The parsed version or `null` when the output contains no version
 * @private internal utility of `promptbookCli`
 */
export declare function extractNpmPackageVersionFromOutput(output: string, { isLastMatchPreferred }?: {
    readonly isLastMatchPreferred?: boolean;
}): string | null;