import { Command as $Command } from "@smithy/core/client";
import type { MetadataBearer as __MetadataBearer } from "@smithy/types";
import type { DescribeDBShardGroupsMessage, DescribeDBShardGroupsResponse } from "../models/models_0";
import type { RDSClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes } from "../RDSClient";
/**
 * @public
 */
export type { __MetadataBearer };
export { $Command };
/**
 * @public
 *
 * The input for {@link DescribeDBShardGroupsCommand}.
 */
export interface DescribeDBShardGroupsCommandInput extends DescribeDBShardGroupsMessage {
}
/**
 * @public
 *
 * The output of {@link DescribeDBShardGroupsCommand}.
 */
export interface DescribeDBShardGroupsCommandOutput extends DescribeDBShardGroupsResponse, __MetadataBearer {
}
declare const DescribeDBShardGroupsCommand_base: {
    new (input: DescribeDBShardGroupsCommandInput): import("@smithy/core/client").CommandImpl<DescribeDBShardGroupsCommandInput, DescribeDBShardGroupsCommandOutput, RDSClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    new (...[input]: [] | [DescribeDBShardGroupsCommandInput]): import("@smithy/core/client").CommandImpl<DescribeDBShardGroupsCommandInput, DescribeDBShardGroupsCommandOutput, RDSClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    getEndpointParameterInstructions(): {
        [x: string]: unknown;
    };
};
/**
 * <p>Describes existing Aurora Limitless Database DB shard groups.</p>
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { RDSClient, DescribeDBShardGroupsCommand } from "@aws-sdk/client-rds"; // ES Modules import
 * // const { RDSClient, DescribeDBShardGroupsCommand } = require("@aws-sdk/client-rds"); // CommonJS import
 * // import type { RDSClientConfig } from "@aws-sdk/client-rds";
 * const config = {}; // type is RDSClientConfig
 * const client = new RDSClient(config);
 * const input = { // DescribeDBShardGroupsMessage
 *   DBShardGroupIdentifier: "STRING_VALUE",
 *   Filters: [ // FilterList
 *     { // Filter
 *       Name: "STRING_VALUE", // required
 *       Values: [ // FilterValueList // required
 *         "STRING_VALUE",
 *       ],
 *     },
 *   ],
 *   Marker: "STRING_VALUE",
 *   MaxRecords: Number("int"),
 * };
 * const command = new DescribeDBShardGroupsCommand(input);
 * const response = await client.send(command);
 * // { // DescribeDBShardGroupsResponse
 * //   DBShardGroups: [ // DBShardGroupsList
 * //     { // DBShardGroup
 * //       DBShardGroupResourceId: "STRING_VALUE",
 * //       DBShardGroupIdentifier: "STRING_VALUE",
 * //       DBClusterIdentifier: "STRING_VALUE",
 * //       MaxACU: Number("double"),
 * //       MinACU: Number("double"),
 * //       ComputeRedundancy: Number("int"),
 * //       Status: "STRING_VALUE",
 * //       PubliclyAccessible: true || false,
 * //       Endpoint: "STRING_VALUE",
 * //       DBShardGroupArn: "STRING_VALUE",
 * //       TagList: [ // TagList
 * //         { // Tag
 * //           Key: "STRING_VALUE",
 * //           Value: "STRING_VALUE",
 * //         },
 * //       ],
 * //     },
 * //   ],
 * //   Marker: "STRING_VALUE",
 * // };
 *
 * ```
 *
 * @param DescribeDBShardGroupsCommandInput - {@link DescribeDBShardGroupsCommandInput}
 * @returns {@link DescribeDBShardGroupsCommandOutput}
 * @see {@link DescribeDBShardGroupsCommandInput} for command's `input` shape.
 * @see {@link DescribeDBShardGroupsCommandOutput} for command's `response` shape.
 * @see {@link RDSClientResolvedConfig | config} for RDSClient's `config` shape.
 *
 * @throws {@link DBClusterNotFoundFault} (client fault)
 *  <p> <code>DBClusterIdentifier</code> doesn't refer to an existing DB cluster.</p>
 *
 * @throws {@link DBShardGroupNotFoundFault} (client fault)
 *  <p>The specified DB shard group name wasn't found.</p>
 *
 * @throws {@link RDSServiceException}
 * <p>Base exception class for all service exceptions from RDS service.</p>
 *
 *
 * @public
 */
export declare class DescribeDBShardGroupsCommand extends DescribeDBShardGroupsCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: DescribeDBShardGroupsMessage;
            output: DescribeDBShardGroupsResponse;
        };
        sdk: {
            input: DescribeDBShardGroupsCommandInput;
            output: DescribeDBShardGroupsCommandOutput;
        };
    };
}