export declare const THINKING_DISPLAY_MODES: readonly ["expanded", "collapsed", "hidden"];
export type ThinkingDisplay = (typeof THINKING_DISPLAY_MODES)[number];
export declare const DEFAULT_THINKING_DISPLAY: ThinkingDisplay;
export declare function isThinkingDisplay(value: unknown): value is ThinkingDisplay;
export declare function parseThinkingDisplay(value: unknown): ThinkingDisplay | null;