import { LoadBalancingConfig } from "@grpc/grpc-js";
import { LoadBalancingPolicy__Output } from "./generated/envoy/config/cluster/v3/LoadBalancingPolicy";
import { TypedExtensionConfig__Output } from "./generated/envoy/config/core/v3/TypedExtensionConfig";
/**
 * Parse a protoPolicy to a LoadBalancingConfig. A null return value indicates
 * that parsing failed, but that it should not be treated as an error, and
 * instead the next policy should be used.
 */
interface ProtoLbPolicyConverter {
    (protoPolicy: TypedExtensionConfig__Output, selectChildPolicy: (childPolicy: LoadBalancingPolicy__Output) => LoadBalancingConfig): LoadBalancingConfig | null;
}
export declare function registerLbPolicy(typeUrl: string, converter: ProtoLbPolicyConverter): void;
export declare function convertToLoadBalancingConfig(protoPolicy: LoadBalancingPolicy__Output, recursionDepth?: number): LoadBalancingConfig;
export {};