import { ExternalClientOffer, LocalSupportedProtocol, MessagingProtocols, ProtocolOffer } from '.';
export declare class ProtocolManager {
    private ProtocolsInPreferenceOrder;
    DefaultClientProtocols: ['classic'];
    DefaultProviderProtocols: ['classic'];
    constructor(ProtocolsInPreferenceOrder: MessagingProtocols[]);
    getClientProtocols: (protocols?: string[]) => MessagingProtocols[];
    getProviderProtocols: (protocols?: string[]) => ['rtc'] | ['rtc', 'classic'] | ['classic'];
    getCompatibleProtocols: (providerProtocols: LocalSupportedProtocol[], clientOffer: ExternalClientOffer) => ProtocolOffer[];
}