/**
 * DID:key Resolver
 *
 * Resolves did:key DIDs to DID Documents with verification methods.
 * Supports Ed25519 keys (multicodec prefix 0xed01).
 *
 * did:key format: did:key:z<multibase-base58btc(<multicodec-prefix><public-key>)>
 *
 * For Ed25519:
 * - Multicodec prefix: 0xed 0x01
 * - Public key: 32 bytes
 * - Multibase prefix: 'z' (base58btc)
 *
 * @see https://w3c-ccg.github.io/did-method-key/
 */
import type { DIDResolver, DIDDocument } from './vc-verifier';
/**
 * Check if a DID is a valid did:key with Ed25519 key
 *
 * Ed25519 keys in did:key start with 'z6Mk' after the method prefix.
 * The 'z' is the multibase prefix for base58btc, and '6Mk' is the
 * base58-encoded prefix for Ed25519 (0xed 0x01).
 *
 * @param did - The DID to check
 * @returns true if it's a valid did:key with Ed25519 key
 */
export declare function isEd25519DidKey(did: string): boolean;
/**
 * Extract the public key bytes from a did:key DID
 *
 * @param did - The did:key DID
 * @returns Public key bytes or null if invalid
 */
export declare function extractPublicKeyFromDidKey(did: string): Uint8Array | null;
/**
 * Convert Ed25519 public key bytes to JWK format
 *
 * @param publicKeyBytes - 32-byte Ed25519 public key
 * @returns JWK object
 */
export declare function publicKeyToJwk(publicKeyBytes: Uint8Array): {
    kty: string;
    crv: string;
    x: string;
};
/**
 * Create a DID:key resolver
 *
 * Returns a DIDResolver that can resolve did:key DIDs to DID Documents.
 * Currently supports only Ed25519 keys.
 *
 * @returns DIDResolver implementation for did:key
 */
export declare function createDidKeyResolver(): DIDResolver;
/**
 * Resolve a did:key DID synchronously
 *
 * Convenience function for cases where async is not needed.
 *
 * @param did - The did:key DID to resolve
 * @returns DID Document or null if invalid
 */
export declare function resolveDidKeySync(did: string): DIDDocument | null;
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