import { Command as $Command } from "@smithy/smithy-client";
import { MetadataBearer as __MetadataBearer } from "@smithy/types";
import { EC2ClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes } from "../EC2Client";
import { AttachVpnGatewayRequest, AttachVpnGatewayResult } from "../models/models_0";
/**
 * @public
 */
export type { __MetadataBearer };
export { $Command };
/**
 * @public
 *
 * The input for {@link AttachVpnGatewayCommand}.
 */
export interface AttachVpnGatewayCommandInput extends AttachVpnGatewayRequest {
}
/**
 * @public
 *
 * The output of {@link AttachVpnGatewayCommand}.
 */
export interface AttachVpnGatewayCommandOutput extends AttachVpnGatewayResult, __MetadataBearer {
}
declare const AttachVpnGatewayCommand_base: {
    new (input: AttachVpnGatewayCommandInput): import("@smithy/smithy-client").CommandImpl<AttachVpnGatewayCommandInput, AttachVpnGatewayCommandOutput, EC2ClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    new (input: AttachVpnGatewayCommandInput): import("@smithy/smithy-client").CommandImpl<AttachVpnGatewayCommandInput, AttachVpnGatewayCommandOutput, EC2ClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    getEndpointParameterInstructions(): import("@smithy/middleware-endpoint").EndpointParameterInstructions;
};
/**
 * <p>Attaches an available virtual private gateway to a VPC. You can attach one virtual private
 *             gateway to one VPC at a time.</p>
 *          <p>For more information, see <a href="https://docs.aws.amazon.com/vpn/latest/s2svpn/VPC_VPN.html">Amazon Web Services Site-to-Site VPN</a> in the <i>Amazon Web Services Site-to-Site VPN
 *                 User Guide</i>.</p>
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { EC2Client, AttachVpnGatewayCommand } from "@aws-sdk/client-ec2"; // ES Modules import
 * // const { EC2Client, AttachVpnGatewayCommand } = require("@aws-sdk/client-ec2"); // CommonJS import
 * const client = new EC2Client(config);
 * const input = { // AttachVpnGatewayRequest
 *   VpcId: "STRING_VALUE", // required
 *   VpnGatewayId: "STRING_VALUE", // required
 *   DryRun: true || false,
 * };
 * const command = new AttachVpnGatewayCommand(input);
 * const response = await client.send(command);
 * // { // AttachVpnGatewayResult
 * //   VpcAttachment: { // VpcAttachment
 * //     VpcId: "STRING_VALUE",
 * //     State: "attaching" || "attached" || "detaching" || "detached",
 * //   },
 * // };
 *
 * ```
 *
 * @param AttachVpnGatewayCommandInput - {@link AttachVpnGatewayCommandInput}
 * @returns {@link AttachVpnGatewayCommandOutput}
 * @see {@link AttachVpnGatewayCommandInput} for command's `input` shape.
 * @see {@link AttachVpnGatewayCommandOutput} for command's `response` shape.
 * @see {@link EC2ClientResolvedConfig | config} for EC2Client's `config` shape.
 *
 * @throws {@link EC2ServiceException}
 * <p>Base exception class for all service exceptions from EC2 service.</p>
 *
 *
 * @public
 */
export declare class AttachVpnGatewayCommand extends AttachVpnGatewayCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: AttachVpnGatewayRequest;
            output: AttachVpnGatewayResult;
        };
        sdk: {
            input: AttachVpnGatewayCommandInput;
            output: AttachVpnGatewayCommandOutput;
        };
    };
}
