import { Command as $Command } from "@smithy/smithy-client";
import type { MetadataBearer as __MetadataBearer } from "@smithy/types";
import type { MediaConnectClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes } from "../MediaConnectClient";
import type { DescribeGatewayInstanceRequest, DescribeGatewayInstanceResponse } from "../models/models_0";
/**
 * @public
 */
export type { __MetadataBearer };
export { $Command };
/**
 * @public
 *
 * The input for {@link DescribeGatewayInstanceCommand}.
 */
export interface DescribeGatewayInstanceCommandInput extends DescribeGatewayInstanceRequest {
}
/**
 * @public
 *
 * The output of {@link DescribeGatewayInstanceCommand}.
 */
export interface DescribeGatewayInstanceCommandOutput extends DescribeGatewayInstanceResponse, __MetadataBearer {
}
declare const DescribeGatewayInstanceCommand_base: {
    new (input: DescribeGatewayInstanceCommandInput): import("@smithy/smithy-client").CommandImpl<DescribeGatewayInstanceCommandInput, DescribeGatewayInstanceCommandOutput, MediaConnectClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    new (input: DescribeGatewayInstanceCommandInput): import("@smithy/smithy-client").CommandImpl<DescribeGatewayInstanceCommandInput, DescribeGatewayInstanceCommandOutput, MediaConnectClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    getEndpointParameterInstructions(): import("@smithy/middleware-endpoint").EndpointParameterInstructions;
};
/**
 * <p> Displays the details of an instance. </p>
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { MediaConnectClient, DescribeGatewayInstanceCommand } from "@aws-sdk/client-mediaconnect"; // ES Modules import
 * // const { MediaConnectClient, DescribeGatewayInstanceCommand } = require("@aws-sdk/client-mediaconnect"); // CommonJS import
 * // import type { MediaConnectClientConfig } from "@aws-sdk/client-mediaconnect";
 * const config = {}; // type is MediaConnectClientConfig
 * const client = new MediaConnectClient(config);
 * const input = { // DescribeGatewayInstanceRequest
 *   GatewayInstanceArn: "STRING_VALUE", // required
 * };
 * const command = new DescribeGatewayInstanceCommand(input);
 * const response = await client.send(command);
 * // { // DescribeGatewayInstanceResponse
 * //   GatewayInstance: { // GatewayInstance
 * //     BridgePlacement: "AVAILABLE" || "LOCKED", // required
 * //     ConnectionStatus: "CONNECTED" || "DISCONNECTED", // required
 * //     GatewayArn: "STRING_VALUE", // required
 * //     GatewayInstanceArn: "STRING_VALUE", // required
 * //     InstanceId: "STRING_VALUE", // required
 * //     InstanceMessages: [ // __listOfMessageDetail
 * //       { // MessageDetail
 * //         Code: "STRING_VALUE", // required
 * //         Message: "STRING_VALUE", // required
 * //         ResourceName: "STRING_VALUE",
 * //       },
 * //     ],
 * //     InstanceState: "REGISTERING" || "ACTIVE" || "DEREGISTERING" || "DEREGISTERED" || "REGISTRATION_ERROR" || "DEREGISTRATION_ERROR", // required
 * //     RunningBridgeCount: Number("int"), // required
 * //   },
 * // };
 *
 * ```
 *
 * @param DescribeGatewayInstanceCommandInput - {@link DescribeGatewayInstanceCommandInput}
 * @returns {@link DescribeGatewayInstanceCommandOutput}
 * @see {@link DescribeGatewayInstanceCommandInput} for command's `input` shape.
 * @see {@link DescribeGatewayInstanceCommandOutput} for command's `response` shape.
 * @see {@link MediaConnectClientResolvedConfig | config} for MediaConnectClient's `config` shape.
 *
 * @throws {@link BadRequestException} (client fault)
 *  <p>This exception is thrown if the request contains a semantic error. The precise meaning depends on the API, and is documented in the error message. </p>
 *
 * @throws {@link ConflictException} (client fault)
 *  <p>The requested operation would cause a conflict with the current state of a service resource associated with the request. Resolve the conflict before retrying this request. </p>
 *
 * @throws {@link ForbiddenException} (client fault)
 *  <p>You do not have sufficient access to perform this action. </p>
 *
 * @throws {@link InternalServerErrorException} (server fault)
 *  <p>The server encountered an internal error and is unable to complete the request. </p>
 *
 * @throws {@link NotFoundException} (client fault)
 *  <p>One or more of the resources in the request does not exist in the system. </p>
 *
 * @throws {@link ServiceUnavailableException} (server fault)
 *  <p>The service is currently unavailable or busy. </p>
 *
 * @throws {@link TooManyRequestsException} (client fault)
 *  <p>The request was denied due to request throttling. </p>
 *
 * @throws {@link MediaConnectServiceException}
 * <p>Base exception class for all service exceptions from MediaConnect service.</p>
 *
 *
 * @public
 */
export declare class DescribeGatewayInstanceCommand extends DescribeGatewayInstanceCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: DescribeGatewayInstanceRequest;
            output: DescribeGatewayInstanceResponse;
        };
        sdk: {
            input: DescribeGatewayInstanceCommandInput;
            output: DescribeGatewayInstanceCommandOutput;
        };
    };
}