/**
 * Centralized output truncation to prevent LLM context overflow.
 * Tools like system_shell, system_logs, browser_evaluate can return
 * unbounded text — this utility caps output at safe limits.
 */
export interface TruncateOptions {
    /** Maximum characters in output (default: 10_000) */
    maxChars?: number;
    /** Maximum lines in output (default: 200) */
    maxLines?: number;
}
/**
 * Truncate text output to safe limits for LLM consumption.
 * Applies line limit first, then character limit.
 * Appends a marker showing how much was truncated.
 */
export declare function truncateOutput(text: string, opts?: TruncateOptions): string;
//# sourceMappingURL=truncate.d.ts.map