export declare function formatOptionalLine(label: string, value: string | number | undefined): string;
export interface OptionalLineEntry {
    label: string;
    value: string | number | undefined;
}
export declare function formatOptionalLines(entries: readonly OptionalLineEntry[]): string;
export declare function formatLanguageSegment(language: string | undefined): string;
export declare function buildLanguageDiffPrompt(language: string | undefined, diff: string, conclusion: string): string;
export declare function formatCountLabel(count: number, singular: string, plural: string): string;
export declare function formatUsNumber(value: number): string;
export declare function formatTimeoutSeconds(timeoutMs: number): string;
export declare function formatThinkingLevel(thinkingLevel: string | undefined, fallback?: string): string;
export declare function toBulletedList(lines: readonly string[]): string;
export declare function toInlineCode(value: string): string;