/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import type { AgentInputs } from './types.js';
/**
 * Simple template string replacement for agent prompts.
 * Replaces ${key} placeholders with values from the inputs object.
 *
 * @param template The template string with ${key} placeholders
 * @param inputs The input values to substitute
 * @returns The template with placeholders replaced
 */
export declare function templateString(template: string, inputs: AgentInputs): string;