import { Command as $Command } from "@smithy/smithy-client";
import type { MetadataBearer as __MetadataBearer } from "@smithy/types";
import type { KinesisVideoClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes } from "../KinesisVideoClient";
import type { UpdateSignalingChannelInput, UpdateSignalingChannelOutput } from "../models/models_0";
/**
 * @public
 */
export type { __MetadataBearer };
export { $Command };
/**
 * @public
 *
 * The input for {@link UpdateSignalingChannelCommand}.
 */
export interface UpdateSignalingChannelCommandInput extends UpdateSignalingChannelInput {
}
/**
 * @public
 *
 * The output of {@link UpdateSignalingChannelCommand}.
 */
export interface UpdateSignalingChannelCommandOutput extends UpdateSignalingChannelOutput, __MetadataBearer {
}
declare const UpdateSignalingChannelCommand_base: {
    new (input: UpdateSignalingChannelCommandInput): import("@smithy/smithy-client").CommandImpl<UpdateSignalingChannelCommandInput, UpdateSignalingChannelCommandOutput, KinesisVideoClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    new (input: UpdateSignalingChannelCommandInput): import("@smithy/smithy-client").CommandImpl<UpdateSignalingChannelCommandInput, UpdateSignalingChannelCommandOutput, KinesisVideoClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    getEndpointParameterInstructions(): import("@smithy/middleware-endpoint").EndpointParameterInstructions;
};
/**
 * <p>Updates the existing signaling channel. This is an asynchronous operation and takes
 *             time to complete. </p>
 *          <p>If the <code>MessageTtlSeconds</code> value is updated (either increased or reduced),
 *             it only applies to new messages sent via this channel after it's been updated. Existing
 *             messages are still expired as per the previous <code>MessageTtlSeconds</code>
 *             value.</p>
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { KinesisVideoClient, UpdateSignalingChannelCommand } from "@aws-sdk/client-kinesis-video"; // ES Modules import
 * // const { KinesisVideoClient, UpdateSignalingChannelCommand } = require("@aws-sdk/client-kinesis-video"); // CommonJS import
 * // import type { KinesisVideoClientConfig } from "@aws-sdk/client-kinesis-video";
 * const config = {}; // type is KinesisVideoClientConfig
 * const client = new KinesisVideoClient(config);
 * const input = { // UpdateSignalingChannelInput
 *   ChannelARN: "STRING_VALUE", // required
 *   CurrentVersion: "STRING_VALUE", // required
 *   SingleMasterConfiguration: { // SingleMasterConfiguration
 *     MessageTtlSeconds: Number("int"),
 *   },
 * };
 * const command = new UpdateSignalingChannelCommand(input);
 * const response = await client.send(command);
 * // {};
 *
 * ```
 *
 * @param UpdateSignalingChannelCommandInput - {@link UpdateSignalingChannelCommandInput}
 * @returns {@link UpdateSignalingChannelCommandOutput}
 * @see {@link UpdateSignalingChannelCommandInput} for command's `input` shape.
 * @see {@link UpdateSignalingChannelCommandOutput} for command's `response` shape.
 * @see {@link KinesisVideoClientResolvedConfig | config} for KinesisVideoClient's `config` shape.
 *
 * @throws {@link AccessDeniedException} (client fault)
 *  <p>You do not have required permissions to perform this operation.</p>
 *
 * @throws {@link ClientLimitExceededException} (client fault)
 *  <p>Kinesis Video Streams has throttled the request because you have exceeded the limit of
 *             allowed client calls. Try making the call later.</p>
 *
 * @throws {@link InvalidArgumentException} (client fault)
 *  <p>The value for this input parameter is invalid.</p>
 *
 * @throws {@link ResourceInUseException} (client fault)
 *  <p>When the input <code>StreamARN</code> or <code>ChannelARN</code>
 *             in <code>CLOUD_STORAGE_MODE</code> is already mapped to a different
 *             Kinesis Video Stream resource, or if the provided input <code>StreamARN</code>
 *             or <code>ChannelARN</code> is not in Active status, try one of the following : </p>
 *          <ol>
 *             <li>
 *                <p>The <code>DescribeMediaStorageConfiguration</code> API to determine what the stream given channel is mapped to.
 *             </p>
 *             </li>
 *             <li>
 *                <p>The <code>DescribeMappedResourceConfiguration</code> API to determine the channel that the given stream is mapped to.
 *             </p>
 *             </li>
 *             <li>
 *                <p>The <code>DescribeStream</code> or <code>DescribeSignalingChannel</code> API to determine the status of the resource.
 *             </p>
 *             </li>
 *          </ol>
 *
 * @throws {@link ResourceNotFoundException} (client fault)
 *  <p>Amazon Kinesis Video Streams can't find the stream that you specified.</p>
 *
 * @throws {@link VersionMismatchException} (client fault)
 *  <p>The stream version that you specified is not the latest version. To get the latest
 *             version, use the <a href="https://docs.aws.amazon.com/kinesisvideostreams/latest/dg/API_DescribeStream.html">DescribeStream</a>
 *             API.</p>
 *
 * @throws {@link KinesisVideoServiceException}
 * <p>Base exception class for all service exceptions from KinesisVideo service.</p>
 *
 *
 * @public
 */
export declare class UpdateSignalingChannelCommand extends UpdateSignalingChannelCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: UpdateSignalingChannelInput;
            output: {};
        };
        sdk: {
            input: UpdateSignalingChannelCommandInput;
            output: UpdateSignalingChannelCommandOutput;
        };
    };
}