import { experimental, ChannelOptions } from '@grpc/grpc-js';
import Endpoint = experimental.Endpoint;
import LoadBalancer = experimental.LoadBalancer;
import ChannelControlHelper = experimental.ChannelControlHelper;
import TypedLoadBalancingConfig = experimental.TypedLoadBalancingConfig;
import StatusOr = experimental.StatusOr;
import { Locality__Output } from './generated/envoy/config/core/v3/Locality';
import { ValueMatcher } from './matcher';
import { StringMatcher__Output } from './generated/envoy/type/matcher/v3/StringMatcher';
export declare class SanMatcher implements ValueMatcher {
    private childMatchers;
    constructor(matcherConfigs: StringMatcher__Output[]);
    apply(value: string): boolean;
    toString(): string;
    equals(other: SanMatcher): boolean;
}
export declare const CA_CERT_PROVIDER_KEY = "grpc.internal.ca_cert_provider";
export declare const IDENTITY_CERT_PROVIDER_KEY = "grpc.internal.identity_cert_provider";
export declare const SAN_MATCHER_KEY = "grpc.internal.san_matcher";
export declare function localityToName(locality: Locality__Output): string;
export declare const ROOT_CLUSTER_KEY = "grpc.internal.root_cluster";
export declare class CdsLoadBalancer implements LoadBalancer {
    private readonly channelControlHelper;
    private childBalancer;
    private latestConfig;
    private localityPriorities;
    private priorityNames;
    private nextPriorityChildNumber;
    private latestSanMatcher;
    constructor(channelControlHelper: ChannelControlHelper);
    private getNextPriorityName;
    updateAddressList(endpointList: StatusOr<Endpoint[]>, lbConfig: TypedLoadBalancingConfig, options: ChannelOptions, resolutionNote: string): boolean;
    exitIdle(): void;
    resetBackoff(): void;
    destroy(): void;
    getTypeName(): string;
}
export declare function setup(): void;