import type { ProxyProtocolPassThroughTLVs as _envoy_config_core_v3_ProxyProtocolPassThroughTLVs, ProxyProtocolPassThroughTLVs__Output as _envoy_config_core_v3_ProxyProtocolPassThroughTLVs__Output } from '../../../../envoy/config/core/v3/ProxyProtocolPassThroughTLVs';
export declare const _envoy_config_core_v3_ProxyProtocolConfig_Version: {
    /**
     * PROXY protocol version 1. Human readable format.
     */
    readonly V1: "V1";
    /**
     * PROXY protocol version 2. Binary format.
     */
    readonly V2: "V2";
};
export type _envoy_config_core_v3_ProxyProtocolConfig_Version = 
/**
 * PROXY protocol version 1. Human readable format.
 */
'V1' | 0
/**
 * PROXY protocol version 2. Binary format.
 */
 | 'V2' | 1;
export type _envoy_config_core_v3_ProxyProtocolConfig_Version__Output = typeof _envoy_config_core_v3_ProxyProtocolConfig_Version[keyof typeof _envoy_config_core_v3_ProxyProtocolConfig_Version];
export interface ProxyProtocolConfig {
    /**
     * The PROXY protocol version to use. See https://www.haproxy.org/download/2.1/doc/proxy-protocol.txt for details
     */
    'version'?: (_envoy_config_core_v3_ProxyProtocolConfig_Version);
    /**
     * This config controls which TLVs can be passed to upstream if it is Proxy Protocol
     * V2 header. If there is no setting for this field, no TLVs will be passed through.
     */
    'pass_through_tlvs'?: (_envoy_config_core_v3_ProxyProtocolPassThroughTLVs | null);
}
export interface ProxyProtocolConfig__Output {
    /**
     * The PROXY protocol version to use. See https://www.haproxy.org/download/2.1/doc/proxy-protocol.txt for details
     */
    'version': (_envoy_config_core_v3_ProxyProtocolConfig_Version__Output);
    /**
     * This config controls which TLVs can be passed to upstream if it is Proxy Protocol
     * V2 header. If there is no setting for this field, no TLVs will be passed through.
     */
    'pass_through_tlvs': (_envoy_config_core_v3_ProxyProtocolPassThroughTLVs__Output | null);
}