import { Command as $Command } from "@smithy/smithy-client";
import type { MetadataBearer as __MetadataBearer } from "@smithy/types";
import type { GrafanaClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes } from "../GrafanaClient";
import type { ListVersionsRequest, ListVersionsResponse } from "../models/models_0";
/**
 * @public
 */
export type { __MetadataBearer };
export { $Command };
/**
 * @public
 *
 * The input for {@link ListVersionsCommand}.
 */
export interface ListVersionsCommandInput extends ListVersionsRequest {
}
/**
 * @public
 *
 * The output of {@link ListVersionsCommand}.
 */
export interface ListVersionsCommandOutput extends ListVersionsResponse, __MetadataBearer {
}
declare const ListVersionsCommand_base: {
    new (input: ListVersionsCommandInput): import("@smithy/smithy-client").CommandImpl<ListVersionsCommandInput, ListVersionsCommandOutput, GrafanaClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    new (...[input]: [] | [ListVersionsCommandInput]): import("@smithy/smithy-client").CommandImpl<ListVersionsCommandInput, ListVersionsCommandOutput, GrafanaClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    getEndpointParameterInstructions(): import("@smithy/middleware-endpoint").EndpointParameterInstructions;
};
/**
 * <p>Lists available versions of Grafana. These are available when calling <code>CreateWorkspace</code>. Optionally, include a workspace to list the versions to which it can be upgraded.</p>
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { GrafanaClient, ListVersionsCommand } from "@aws-sdk/client-grafana"; // ES Modules import
 * // const { GrafanaClient, ListVersionsCommand } = require("@aws-sdk/client-grafana"); // CommonJS import
 * // import type { GrafanaClientConfig } from "@aws-sdk/client-grafana";
 * const config = {}; // type is GrafanaClientConfig
 * const client = new GrafanaClient(config);
 * const input = { // ListVersionsRequest
 *   maxResults: Number("int"),
 *   nextToken: "STRING_VALUE",
 *   workspaceId: "STRING_VALUE",
 * };
 * const command = new ListVersionsCommand(input);
 * const response = await client.send(command);
 * // { // ListVersionsResponse
 * //   nextToken: "STRING_VALUE",
 * //   grafanaVersions: [ // GrafanaVersionList
 * //     "STRING_VALUE",
 * //   ],
 * // };
 *
 * ```
 *
 * @param ListVersionsCommandInput - {@link ListVersionsCommandInput}
 * @returns {@link ListVersionsCommandOutput}
 * @see {@link ListVersionsCommandInput} for command's `input` shape.
 * @see {@link ListVersionsCommandOutput} for command's `response` shape.
 * @see {@link GrafanaClientResolvedConfig | config} for GrafanaClient's `config` shape.
 *
 * @throws {@link AccessDeniedException} (client fault)
 *  <p>You do not have sufficient permissions to perform this action. </p>
 *
 * @throws {@link InternalServerException} (server fault)
 *  <p>Unexpected error while processing the request. Retry the request.</p>
 *
 * @throws {@link ResourceNotFoundException} (client fault)
 *  <p>The request references a resource that does not exist.</p>
 *
 * @throws {@link ThrottlingException} (client fault)
 *  <p>The request was denied because of request throttling. Retry the request.</p>
 *
 * @throws {@link ValidationException} (client fault)
 *  <p>The value of a parameter in the request caused an error.</p>
 *
 * @throws {@link GrafanaServiceException}
 * <p>Base exception class for all service exceptions from Grafana service.</p>
 *
 *
 * @public
 */
export declare class ListVersionsCommand extends ListVersionsCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: ListVersionsRequest;
            output: ListVersionsResponse;
        };
        sdk: {
            input: ListVersionsCommandInput;
            output: ListVersionsCommandOutput;
        };
    };
}