/**
 * Validate Command — Check all specs against their schemas
 * and report errors, warnings, and cross-reference issues.
 */
import type { Command } from "commander";
import type { MemoireEngine } from "../engine/core.js";
export interface ValidatePayload {
    status: "valid" | "invalid" | "empty";
    totalSpecs: number;
    valid: number;
    invalid: number;
    errors: number;
    warnings: number;
    results: Array<{
        name: string;
        type: string;
        valid: boolean;
        errors: Array<{
            path: string;
            message: string;
        }>;
        warnings: Array<{
            path: string;
            message: string;
            suggestion?: string;
        }>;
    }>;
}
export declare function registerValidateCommand(program: Command, engine: MemoireEngine): void;