/** Specifies the supported call protocols */
export declare class CallProtocolBaseModel {
    _: 'callProtocol';
    /** True, if UDP peer-to-peer connections are supported */
    udpP2P: boolean;
    /** True, if connection through UDP reflectors is supported */
    udpReflector: boolean;
    /** Minimum supported API layer; use 65 */
    minLayer: number;
    /** Maximum supported API layer; use 65 */
    maxLayer: number;
}