import { CallConnection, CallDiscardReasonUnion, CallProtocol, Error } from './index';
/** Describes the current call state */
export declare type CallStateUnion = CallStatePending | CallStateExchangingKeys | CallStateReady | CallStateHangingUp | CallStateDiscarded | CallStateError;
/** The call is pending, waiting to be accepted by a user */
export interface CallStatePending {
    _: 'callStatePending';
    /** True, if the call has already been created by the server */
    isCreated: boolean;
    /** True, if the call has already been received by the other party */
    isReceived: boolean;
}
/** The call has been answered and encryption keys are being exchanged */
export interface CallStateExchangingKeys {
    _: 'callStateExchangingKeys';
}
/** The call is ready to use */
export interface CallStateReady {
    _: 'callStateReady';
    /** Call protocols supported by the peer */
    protocol: CallProtocol;
    /** Available UDP reflectors */
    connections: CallConnection[];
    /** A JSON-encoded call config */
    config: string;
    /** Call encryption key */
    encryptionKey: string;
    /** Encryption key emojis fingerprint */
    emojis: string[];
    /** True, if peer-to-peer connection is allowed by users privacy settings */
    allowP2P: boolean;
}
/** The call is hanging up after discardCall has been called */
export interface CallStateHangingUp {
    _: 'callStateHangingUp';
}
/** The call has ended successfully */
export interface CallStateDiscarded {
    _: 'callStateDiscarded';
    /** The reason, why the call has ended */
    reason: CallDiscardReasonUnion;
    /** True, if the call rating should be sent to the server */
    needRating: boolean;
    /** True, if the call debug information should be sent to the server */
    needDebugInformation: boolean;
}
/** The call has ended with an error */
export interface CallStateError {
    _: 'callStateError';
    /**
     * Error. An error with the code 4005000 will be returned if an outgoing call is missed
     * because of an expired timeout
     */
    error: Error;
}