import { Command as $Command } from "@smithy/smithy-client";
import { MetadataBearer as __MetadataBearer } from "@smithy/types";
import {
  ElastiCacheClientResolvedConfig,
  ServiceInputTypes,
  ServiceOutputTypes,
} from "../ElastiCacheClient";
import {
  CacheSubnetGroupMessage,
  DescribeCacheSubnetGroupsMessage,
} from "../models/models_0";
export { __MetadataBearer };
export { $Command };
export interface DescribeCacheSubnetGroupsCommandInput
  extends DescribeCacheSubnetGroupsMessage {}
export interface DescribeCacheSubnetGroupsCommandOutput
  extends CacheSubnetGroupMessage,
    __MetadataBearer {}
declare const DescribeCacheSubnetGroupsCommand_base: {
  new (
    input: DescribeCacheSubnetGroupsCommandInput
  ): import("@smithy/smithy-client").CommandImpl<
    DescribeCacheSubnetGroupsCommandInput,
    DescribeCacheSubnetGroupsCommandOutput,
    ElastiCacheClientResolvedConfig,
    ServiceInputTypes,
    ServiceOutputTypes
  >;
  new (
    ...[input]: [] | [DescribeCacheSubnetGroupsCommandInput]
  ): import("@smithy/smithy-client").CommandImpl<
    DescribeCacheSubnetGroupsCommandInput,
    DescribeCacheSubnetGroupsCommandOutput,
    ElastiCacheClientResolvedConfig,
    ServiceInputTypes,
    ServiceOutputTypes
  >;
  getEndpointParameterInstructions(): import("@smithy/middleware-endpoint").EndpointParameterInstructions;
};
export declare class DescribeCacheSubnetGroupsCommand extends DescribeCacheSubnetGroupsCommand_base {
  protected static __types: {
    api: {
      input: DescribeCacheSubnetGroupsMessage;
      output: CacheSubnetGroupMessage;
    };
    sdk: {
      input: DescribeCacheSubnetGroupsCommandInput;
      output: DescribeCacheSubnetGroupsCommandOutput;
    };
  };
}