import { Command as $Command } from "@smithy/smithy-client";
import { MetadataBearer as __MetadataBearer } from "@smithy/types";
import { ConfirmSubscriptionInput, ConfirmSubscriptionResponse } from "../models/models_0";
import { ServiceInputTypes, ServiceOutputTypes, SNSClientResolvedConfig } from "../SNSClient";
/**
 * @public
 */
export type { __MetadataBearer };
export { $Command };
/**
 * @public
 *
 * The input for {@link ConfirmSubscriptionCommand}.
 */
export interface ConfirmSubscriptionCommandInput extends ConfirmSubscriptionInput {
}
/**
 * @public
 *
 * The output of {@link ConfirmSubscriptionCommand}.
 */
export interface ConfirmSubscriptionCommandOutput extends ConfirmSubscriptionResponse, __MetadataBearer {
}
declare const ConfirmSubscriptionCommand_base: {
    new (input: ConfirmSubscriptionCommandInput): import("@smithy/smithy-client").CommandImpl<ConfirmSubscriptionCommandInput, ConfirmSubscriptionCommandOutput, SNSClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    new (__0_0: ConfirmSubscriptionCommandInput): import("@smithy/smithy-client").CommandImpl<ConfirmSubscriptionCommandInput, ConfirmSubscriptionCommandOutput, SNSClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    getEndpointParameterInstructions(): import("@smithy/middleware-endpoint").EndpointParameterInstructions;
};
/**
 * <p>Verifies an endpoint owner's intent to receive messages by validating the token sent
 *             to the endpoint by an earlier <code>Subscribe</code> action. If the token is valid, the
 *             action creates a new subscription and returns its Amazon Resource Name (ARN). This call
 *             requires an AWS signature only when the <code>AuthenticateOnUnsubscribe</code> flag is
 *             set to "true".</p>
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { SNSClient, ConfirmSubscriptionCommand } from "@aws-sdk/client-sns"; // ES Modules import
 * // const { SNSClient, ConfirmSubscriptionCommand } = require("@aws-sdk/client-sns"); // CommonJS import
 * const client = new SNSClient(config);
 * const input = { // ConfirmSubscriptionInput
 *   TopicArn: "STRING_VALUE", // required
 *   Token: "STRING_VALUE", // required
 *   AuthenticateOnUnsubscribe: "STRING_VALUE",
 * };
 * const command = new ConfirmSubscriptionCommand(input);
 * const response = await client.send(command);
 * // { // ConfirmSubscriptionResponse
 * //   SubscriptionArn: "STRING_VALUE",
 * // };
 *
 * ```
 *
 * @param ConfirmSubscriptionCommandInput - {@link ConfirmSubscriptionCommandInput}
 * @returns {@link ConfirmSubscriptionCommandOutput}
 * @see {@link ConfirmSubscriptionCommandInput} for command's `input` shape.
 * @see {@link ConfirmSubscriptionCommandOutput} for command's `response` shape.
 * @see {@link SNSClientResolvedConfig | config} for SNSClient's `config` shape.
 *
 * @throws {@link AuthorizationErrorException} (client fault)
 *  <p>Indicates that the user has been denied access to the requested resource.</p>
 *
 * @throws {@link FilterPolicyLimitExceededException} (client fault)
 *  <p>Indicates that the number of filter polices in your Amazon Web Services account exceeds the limit. To
 *             add more filter polices, submit an Amazon SNS Limit Increase case in the Amazon Web Services Support
 *             Center.</p>
 *
 * @throws {@link InternalErrorException} (server fault)
 *  <p>Indicates an internal service error.</p>
 *
 * @throws {@link InvalidParameterException} (client fault)
 *  <p>Indicates that a request parameter does not comply with the associated
 *             constraints.</p>
 *
 * @throws {@link NotFoundException} (client fault)
 *  <p>Indicates that the requested resource does not exist.</p>
 *
 * @throws {@link ReplayLimitExceededException} (client fault)
 *  <p>Indicates that the request parameter has exceeded the maximum number of concurrent message replays.</p>
 *
 * @throws {@link SubscriptionLimitExceededException} (client fault)
 *  <p>Indicates that the customer already owns the maximum allowed number of
 *             subscriptions.</p>
 *
 * @throws {@link SNSServiceException}
 * <p>Base exception class for all service exceptions from SNS service.</p>
 *
 * @public
 */
export declare class ConfirmSubscriptionCommand extends ConfirmSubscriptionCommand_base {
}
