import type { Diagnostic } from "../eval/diagnostics.js";
import type { ParamValue } from "./types.js";
/**
 * Run params-related lint checks for a single eval file.
 *
 * Checks performed:
 * 1. All placeholders have corresponding param definitions or inline defaults.
 * 2. Unused params (defined but never referenced) produce warnings.
 * 3. !zip array lengths match.
 * 4. Params file structure is valid (caught by loadParamsFile).
 *
 * @param evalFilePath - Absolute path to the eval.yaml file.
 * @param suiteParams - Optional suite-level params from .vally.yaml.
 * @returns Array of diagnostics (empty = all good).
 */
export declare function lintEvalParams(evalFilePath: string, suiteParams?: Record<string, ParamValue>, cliParams?: Record<string, string>): Promise<Diagnostic[]>;
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