declare class ToolOutputFormatter {
    format(toolName: string, _args: Record<string, unknown> | null | undefined, output: string, options?: {
        isError?: boolean;
    }): string;
}
declare function formatAgentToolOutput(toolName: string, args: Record<string, unknown> | null | undefined, output: string, options?: {
    isError?: boolean;
}): string;

export { ToolOutputFormatter, formatAgentToolOutput };