import { Command as $Command } from "@smithy/core/client";
import type { MetadataBearer as __MetadataBearer } from "@smithy/types";
import type { GreengrassClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes } from "../GreengrassClient";
import type { ListGroupsRequest, ListGroupsResponse } from "../models/models_0";
/**
 * @public
 */
export type { __MetadataBearer };
export { $Command };
/**
 * @public
 *
 * The input for {@link ListGroupsCommand}.
 */
export interface ListGroupsCommandInput extends ListGroupsRequest {
}
/**
 * @public
 *
 * The output of {@link ListGroupsCommand}.
 */
export interface ListGroupsCommandOutput extends ListGroupsResponse, __MetadataBearer {
}
declare const ListGroupsCommand_base: {
    new (input: ListGroupsCommandInput): import("@smithy/core/client").CommandImpl<ListGroupsCommandInput, ListGroupsCommandOutput, GreengrassClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    new (...[input]: [] | [ListGroupsCommandInput]): import("@smithy/core/client").CommandImpl<ListGroupsCommandInput, ListGroupsCommandOutput, GreengrassClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    getEndpointParameterInstructions(): {
        [x: string]: unknown;
    };
};
/**
 * Retrieves a list of groups.
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { GreengrassClient, ListGroupsCommand } from "@aws-sdk/client-greengrass"; // ES Modules import
 * // const { GreengrassClient, ListGroupsCommand } = require("@aws-sdk/client-greengrass"); // CommonJS import
 * // import type { GreengrassClientConfig } from "@aws-sdk/client-greengrass";
 * const config = {}; // type is GreengrassClientConfig
 * const client = new GreengrassClient(config);
 * const input = { // ListGroupsRequest
 *   MaxResults: "STRING_VALUE",
 *   NextToken: "STRING_VALUE",
 * };
 * const command = new ListGroupsCommand(input);
 * const response = await client.send(command);
 * // { // ListGroupsResponse
 * //   Groups: [ // __listOfGroupInformation
 * //     { // GroupInformation
 * //       Arn: "STRING_VALUE",
 * //       CreationTimestamp: "STRING_VALUE",
 * //       Id: "STRING_VALUE",
 * //       LastUpdatedTimestamp: "STRING_VALUE",
 * //       LatestVersion: "STRING_VALUE",
 * //       LatestVersionArn: "STRING_VALUE",
 * //       Name: "STRING_VALUE",
 * //     },
 * //   ],
 * //   NextToken: "STRING_VALUE",
 * // };
 *
 * ```
 *
 * @param ListGroupsCommandInput - {@link ListGroupsCommandInput}
 * @returns {@link ListGroupsCommandOutput}
 * @see {@link ListGroupsCommandInput} for command's `input` shape.
 * @see {@link ListGroupsCommandOutput} for command's `response` shape.
 * @see {@link GreengrassClientResolvedConfig | config} for GreengrassClient's `config` shape.
 *
 * @throws {@link GreengrassServiceException}
 * <p>Base exception class for all service exceptions from Greengrass service.</p>
 *
 *
 * @public
 */
export declare class ListGroupsCommand extends ListGroupsCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: ListGroupsRequest;
            output: ListGroupsResponse;
        };
        sdk: {
            input: ListGroupsCommandInput;
            output: ListGroupsCommandOutput;
        };
    };
}