import { CallProtocolInput } from '../inputs';
import { ErrorUnion, OkUnion } from '../outputs';
/**
 * Accepts an incoming call
 * @param {Object} params
 * @param {number} [params.callId] - Call identifier
 * @param {CallProtocolInput} [params.protocol] - Description of the call protocols
 * supported by the client
 * @param {Object} state
 * @returns {OkUnion | ErrorUnion}
 */
export declare type AcceptCallMethod = <ResponseT = OkUnion>(params: AcceptCallParams, state?: Record<string, any>) => Promise<ResponseT | ErrorUnion>;
export interface AcceptCallParams {
    /** Call identifier */
    callId?: number;
    /** Description of the call protocols supported by the client */
    protocol?: CallProtocolInput;
}