import type { CondensationPromptValidation } from "../types/index.js";
/**
 * Check a condensation prompt template for the placeholders Hippocampus
 * expects. Pure — never logs or throws. `valid` is false only when a
 * structural placeholder (`OLD_MEMORY` / `NEW_CONTENT`) is missing;
 * a missing `MAX_WORDS` is reported in `missing` but leaves `valid` true.
 */
export declare function validateCondensationPrompt(prompt: string): CondensationPromptValidation;