import type { MetadataBearer as __MetadataBearer } from "@smithy/types";
import type { SubscribeInput, SubscribeResponse } from "../models/models_0";
/**
 * @public
 */
export type { __MetadataBearer };
/**
 * @public
 *
 * The input for {@link SubscribeCommand}.
 */
export interface SubscribeCommandInput extends SubscribeInput {
}
/**
 * @public
 *
 * The output of {@link SubscribeCommand}.
 */
export interface SubscribeCommandOutput extends SubscribeResponse, __MetadataBearer {
}
declare const SubscribeCommand_base: {
    new (input: SubscribeCommandInput): import("@smithy/core/client").CommandImpl<SubscribeCommandInput, SubscribeCommandOutput, import("..").SNSClientResolvedConfig, import("..").ServiceInputTypes, import("..").ServiceOutputTypes>;
    new (input: SubscribeCommandInput): import("@smithy/core/client").CommandImpl<SubscribeCommandInput, SubscribeCommandOutput, import("..").SNSClientResolvedConfig, import("..").ServiceInputTypes, import("..").ServiceOutputTypes>;
    getEndpointParameterInstructions(): import("@smithy/types").EndpointParameterInstructions;
};
/**
 * <p>Subscribes an endpoint to an Amazon SNS topic. If the endpoint type is HTTP/S or email, or
 *             if the endpoint and the topic are not in the same Amazon Web Services account, the endpoint owner must
 *             run the <code>ConfirmSubscription</code> action to confirm the subscription.</p>
 *          <p>You call the <code>ConfirmSubscription</code> action with the token from the
 *             subscription response. Confirmation tokens are valid for two days.</p>
 *          <p>This action is throttled at 100 transactions per second (TPS).</p>
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { SNSClient, SubscribeCommand } from "@aws-sdk/client-sns"; // ES Modules import
 * // const { SNSClient, SubscribeCommand } = require("@aws-sdk/client-sns"); // CommonJS import
 * // import type { SNSClientConfig } from "@aws-sdk/client-sns";
 * const config = {}; // type is SNSClientConfig
 * const client = new SNSClient(config);
 * const input = { // SubscribeInput
 *   TopicArn: "STRING_VALUE", // required
 *   Protocol: "STRING_VALUE", // required
 *   Endpoint: "STRING_VALUE",
 *   Attributes: { // SubscriptionAttributesMap
 *     "<keys>": "STRING_VALUE",
 *   },
 *   ReturnSubscriptionArn: true || false,
 * };
 * const command = new SubscribeCommand(input);
 * const response = await client.send(command);
 * // { // SubscribeResponse
 * //   SubscriptionArn: "STRING_VALUE",
 * // };
 *
 * ```
 *
 * @param SubscribeCommandInput - {@link SubscribeCommandInput}
 * @returns {@link SubscribeCommandOutput}
 * @see {@link SubscribeCommandInput} for command's `input` shape.
 * @see {@link SubscribeCommandOutput} 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 InvalidSecurityException} (client fault)
 *  <p>The credential signature isn't valid. You must use an HTTPS endpoint and sign your
 *             request using Signature Version 4.</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 SubscribeCommand extends SubscribeCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: SubscribeInput;
            output: SubscribeResponse;
        };
        sdk: {
            input: SubscribeCommandInput;
            output: SubscribeCommandOutput;
        };
    };
}