/** Describes the type of the proxy server */
export declare type ProxyTypeInputUnion = ProxyTypeSocks5Input | ProxyTypeHttpInput | ProxyTypeMtprotoInput;
/** A SOCKS5 proxy server */
export interface ProxyTypeSocks5Input {
    _: 'proxyTypeSocks5';
    /** Username for logging in; may be empty */
    username?: string;
    /** Password for logging in; may be empty */
    password?: string;
}
/** A HTTP transparent proxy server */
export interface ProxyTypeHttpInput {
    _: 'proxyTypeHttp';
    /** Username for logging in; may be empty */
    username?: string;
    /** Password for logging in; may be empty */
    password?: string;
    /**
     * Pass true, if the proxy supports only HTTP requests and doesn't support transparent
     * TCP connections via HTTP CONNECT method
     */
    httpOnly?: boolean;
}
/** An MTProto proxy server */
export interface ProxyTypeMtprotoInput {
    _: 'proxyTypeMtproto';
    /** The proxy's secret in hexadecimal encoding */
    secret?: string;
}