import { VerificationSuite } from '../../types/check.js';
/**
 * Core structure verification suite.
 *
 * Validates basic credential structure before cryptographic verification:
 * 1. Context exists and is non-empty
 * 2. Context includes valid VC context URI
 * 3. Credential ID is valid URL (if present)
 * 4. Proof exists on the credential
 *
 * All checks are fatal - a failure stops remaining checks in this suite.
 */
export declare const coreSuite: VerificationSuite;
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