/**
 * Country-Specific Validation Rules
 *
 * Produces warnings (not blocking errors) for country-specific invoice requirements.
 * Invoices can still be sent, but developers get helpful feedback about
 * local compliance expectations.
 *
 * Each rule has a unique ID: {CC}-{NN} (e.g., BE-01, FR-02).
 *
 * GPR-1267 — these IDs are getpeppr-local advisory codes. They are NOT
 * Peppol/EN 16931 rule numbers, and none of them exists in the graved
 * rulebooks (`validator-rule-ids.test.ts` enforces the non-collision), so a
 * developer looking one up finds our docs, not a foreign rule.
 */
import type { InvoiceInput, ValidationError, ValidationWarning } from "../types/invoice.js";
export interface CountryValidationResult {
    errors: ValidationError[];
    warnings: ValidationWarning[];
}
/**
 * Validate country-specific rules for an invoice.
 *
 * Returns warnings for common compliance issues specific to the
 * recipient's country. These are advisory — the invoice can still be sent.
 *
 * @example
 * ```ts
 * const result = validateCountryRules(invoice);
 * for (const w of result.warnings) {
 *   console.warn(`[${w.ruleId}] ${w.field}: ${w.message}`);
 * }
 * ```
 */
export declare function validateCountryRules(input: InvoiceInput): CountryValidationResult;
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