import type { PrivateJwk } from '../types/jose-types.js';
import type { ProtocolDefinition } from '../types/protocols-types.js';
/**
 * Class containing Protocol related utility methods.
 */
export declare class Protocols {
    /**
     * Derives public encryptions keys and inject it in the `$encryption` property for each protocol path segment of the given Protocol definition,
     * then returns the final encryption-enabled protocol definition.
     * NOTE: The original definition passed in is unmodified.
     */
    static deriveAndInjectPublicEncryptionKeys(protocolDefinition: ProtocolDefinition, rootKeyId: string, privateJwk: PrivateJwk): Promise<ProtocolDefinition>;
}
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