import type { MetadataBearer as __MetadataBearer } from "@smithy/types";
import type { SendEventRequest, SendEventResponse } from "../models/models_0";
/**
 * @public
 */
export type { __MetadataBearer };
/**
 * @public
 *
 * The input for {@link SendEventCommand}.
 */
export interface SendEventCommandInput extends SendEventRequest {
}
/**
 * @public
 *
 * The output of {@link SendEventCommand}.
 */
export interface SendEventCommandOutput extends SendEventResponse, __MetadataBearer {
}
declare const SendEventCommand_base: {
    new (input: SendEventCommandInput): import("@smithy/core/client").CommandImpl<SendEventCommandInput, SendEventCommandOutput, import("..").ConnectParticipantClientResolvedConfig, import("..").ServiceInputTypes, import("..").ServiceOutputTypes>;
    new (input: SendEventCommandInput): import("@smithy/core/client").CommandImpl<SendEventCommandInput, SendEventCommandOutput, import("..").ConnectParticipantClientResolvedConfig, import("..").ServiceInputTypes, import("..").ServiceOutputTypes>;
    getEndpointParameterInstructions(): import("@smithy/types").EndpointParameterInstructions;
};
/**
 * <note>
 *             <p>The <code>application/vnd.amazonaws.connect.event.connection.acknowledged</code>
 *                 ContentType is no longer maintained since December 31, 2024. This event has been
 *                 migrated to the <a href="https://docs.aws.amazon.com/connect-participant/latest/APIReference/API_CreateParticipantConnection.html">CreateParticipantConnection</a> API using the
 *                     <code>ConnectParticipant</code> field.</p>
 *          </note>
 *          <p>Sends an event. Message receipts are not supported when there are more than two active
 *             participants in the chat. Using the SendEvent API for message receipts when a supervisor
 *             is barged-in will result in a conflict exception.</p>
 *          <p>For security recommendations, see <a href="https://docs.aws.amazon.com/connect/latest/adminguide/security-best-practices.html#bp-security-chat">Connect Customer Chat security best practices</a>. </p>
 *          <note>
 *             <p>
 *                <code>ConnectionToken</code> is used for invoking this API instead of
 *                     <code>ParticipantToken</code>.</p>
 *          </note>
 *          <p>The Amazon Connect Participant Service APIs do not use <a href="https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html">Signature Version 4
 *                     authentication</a>.</p>
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { ConnectParticipantClient, SendEventCommand } from "@aws-sdk/client-connectparticipant"; // ES Modules import
 * // const { ConnectParticipantClient, SendEventCommand } = require("@aws-sdk/client-connectparticipant"); // CommonJS import
 * // import type { ConnectParticipantClientConfig } from "@aws-sdk/client-connectparticipant";
 * const config = {}; // type is ConnectParticipantClientConfig
 * const client = new ConnectParticipantClient(config);
 * const input = { // SendEventRequest
 *   ContentType: "STRING_VALUE", // required
 *   Content: "STRING_VALUE",
 *   ClientToken: "STRING_VALUE",
 *   ConnectionToken: "STRING_VALUE", // required
 * };
 * const command = new SendEventCommand(input);
 * const response = await client.send(command);
 * // { // SendEventResponse
 * //   Id: "STRING_VALUE",
 * //   AbsoluteTime: "STRING_VALUE",
 * // };
 *
 * ```
 *
 * @param SendEventCommandInput - {@link SendEventCommandInput}
 * @returns {@link SendEventCommandOutput}
 * @see {@link SendEventCommandInput} for command's `input` shape.
 * @see {@link SendEventCommandOutput} for command's `response` shape.
 * @see {@link ConnectParticipantClientResolvedConfig | config} for ConnectParticipantClient's `config` shape.
 *
 * @throws {@link AccessDeniedException} (client fault)
 *  <p>You do not have sufficient access to perform this action.</p>
 *
 * @throws {@link ConflictException} (client fault)
 *  <p>The requested operation conflicts with the current state of a service resource
 *             associated with the request. </p>
 *
 * @throws {@link InternalServerException} (server fault)
 *  <p>This exception occurs when there is an internal failure in the Amazon Connect service.</p>
 *
 * @throws {@link ThrottlingException} (client fault)
 *  <p>The request was denied due to request throttling.</p>
 *
 * @throws {@link ValidationException} (client fault)
 *  <p>The input fails to satisfy the constraints specified by Amazon Connect.</p>
 *
 * @throws {@link ConnectParticipantServiceException}
 * <p>Base exception class for all service exceptions from ConnectParticipant service.</p>
 *
 *
 * @public
 */
export declare class SendEventCommand extends SendEventCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: SendEventRequest;
            output: SendEventResponse;
        };
        sdk: {
            input: SendEventCommandInput;
            output: SendEventCommandOutput;
        };
    };
}