/**
 * Supported thinking-level CLI values for coding-agent runners with configurable reasoning effort.
 *
 * @private internal shared utility of `ptbk coder run`
 */
export declare const THINKING_LEVEL_VALUES: readonly ["low", "medium", "high", "xhigh"];
/**
 * Supported reasoning effort values for coding-agent runners with configurable thinking levels.
 *
 * @private internal shared utility of `ptbk coder run`
 */
export type ThinkingLevel = (typeof THINKING_LEVEL_VALUES)[number];
/**
 * Parses and validates an optional thinking-level option value.
 *
 * @private internal shared utility of `ptbk coder run`
 */
export declare function parseThinkingLevel(thinkingLevelValue: string | undefined): ThinkingLevel | undefined;