export declare function splitCommandArgs(input: string): string[];
/**
 * Normalize a free-text arg string the same way the `/chorus <sub>` router
 * path does: tokenize with shell-style quote/escape handling, then rejoin with
 * single spaces. This keeps the direct aliases (`/chorus-ask`, `/chorus-agent`,
 * `/chorus-optimize`) byte-for-byte consistent with their `/chorus ask` /
 * `/chorus agent` / `/chorus optimize` counterparts.
 */
export declare function joinArgs(input: string): string;
export declare function parseDurationMs(value: string | undefined): number | undefined | null;