import { Command as $Command } from "@smithy/smithy-client";
import type { MetadataBearer as __MetadataBearer } from "@smithy/types";
import type { LightsailClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes } from "../LightsailClient";
import type { DownloadDefaultKeyPairRequest, DownloadDefaultKeyPairResult } from "../models/models_0";
/**
 * @public
 */
export type { __MetadataBearer };
export { $Command };
/**
 * @public
 *
 * The input for {@link DownloadDefaultKeyPairCommand}.
 */
export interface DownloadDefaultKeyPairCommandInput extends DownloadDefaultKeyPairRequest {
}
/**
 * @public
 *
 * The output of {@link DownloadDefaultKeyPairCommand}.
 */
export interface DownloadDefaultKeyPairCommandOutput extends DownloadDefaultKeyPairResult, __MetadataBearer {
}
declare const DownloadDefaultKeyPairCommand_base: {
    new (input: DownloadDefaultKeyPairCommandInput): import("@smithy/smithy-client").CommandImpl<DownloadDefaultKeyPairCommandInput, DownloadDefaultKeyPairCommandOutput, LightsailClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    new (...[input]: [] | [DownloadDefaultKeyPairCommandInput]): import("@smithy/smithy-client").CommandImpl<DownloadDefaultKeyPairCommandInput, DownloadDefaultKeyPairCommandOutput, LightsailClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    getEndpointParameterInstructions(): import("@smithy/middleware-endpoint").EndpointParameterInstructions;
};
/**
 * <p>Downloads the regional Amazon Lightsail default key pair.</p>
 *          <p>This action also creates a Lightsail default key pair if a default key pair
 *       does not currently exist in the Amazon Web Services Region.</p>
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { LightsailClient, DownloadDefaultKeyPairCommand } from "@aws-sdk/client-lightsail"; // ES Modules import
 * // const { LightsailClient, DownloadDefaultKeyPairCommand } = require("@aws-sdk/client-lightsail"); // CommonJS import
 * // import type { LightsailClientConfig } from "@aws-sdk/client-lightsail";
 * const config = {}; // type is LightsailClientConfig
 * const client = new LightsailClient(config);
 * const input = {};
 * const command = new DownloadDefaultKeyPairCommand(input);
 * const response = await client.send(command);
 * // { // DownloadDefaultKeyPairResult
 * //   publicKeyBase64: "STRING_VALUE",
 * //   privateKeyBase64: "STRING_VALUE",
 * //   createdAt: new Date("TIMESTAMP"),
 * // };
 *
 * ```
 *
 * @param DownloadDefaultKeyPairCommandInput - {@link DownloadDefaultKeyPairCommandInput}
 * @returns {@link DownloadDefaultKeyPairCommandOutput}
 * @see {@link DownloadDefaultKeyPairCommandInput} for command's `input` shape.
 * @see {@link DownloadDefaultKeyPairCommandOutput} for command's `response` shape.
 * @see {@link LightsailClientResolvedConfig | config} for LightsailClient's `config` shape.
 *
 * @throws {@link AccessDeniedException} (client fault)
 *  <p>Lightsail throws this exception when the user cannot be authenticated or uses invalid
 *       credentials to access a resource.</p>
 *
 * @throws {@link AccountSetupInProgressException} (client fault)
 *  <p>Lightsail throws this exception when an account is still in the setup in progress
 *       state.</p>
 *
 * @throws {@link InvalidInputException} (client fault)
 *  <p>Lightsail throws this exception when user input does not conform to the validation rules
 *       of an input field.</p>
 *          <note>
 *             <p>Domain and distribution APIs are only available in the N. Virginia
 *           (<code>us-east-1</code>) Amazon Web Services Region. Please set your Amazon Web Services
 *         Region configuration to <code>us-east-1</code> to create, view, or edit these
 *         resources.</p>
 *          </note>
 *
 * @throws {@link NotFoundException} (client fault)
 *  <p>Lightsail throws this exception when it cannot find a resource.</p>
 *
 * @throws {@link OperationFailureException} (client fault)
 *  <p>Lightsail throws this exception when an operation fails to execute.</p>
 *
 * @throws {@link RegionSetupInProgressException} (client fault)
 *  <p>Lightsail throws this exception when an operation is performed on resources in an opt-in
 *       Region that is currently being set up.</p>
 *
 * @throws {@link ServiceException} (server fault)
 *  <p>A general service exception.</p>
 *
 * @throws {@link UnauthenticatedException} (client fault)
 *  <p>Lightsail throws this exception when the user has not been authenticated.</p>
 *
 * @throws {@link LightsailServiceException}
 * <p>Base exception class for all service exceptions from Lightsail service.</p>
 *
 *
 * @public
 */
export declare class DownloadDefaultKeyPairCommand extends DownloadDefaultKeyPairCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: {};
            output: DownloadDefaultKeyPairResult;
        };
        sdk: {
            input: DownloadDefaultKeyPairCommandInput;
            output: DownloadDefaultKeyPairCommandOutput;
        };
    };
}