import type { MetadataBearer as __MetadataBearer } from "@smithy/types";
import type { UpdateCustomActionRequest, UpdateCustomActionResult } from "../models/models_0";
/**
 * @public
 */
export type { __MetadataBearer };
/**
 * @public
 *
 * The input for {@link UpdateCustomActionCommand}.
 */
export interface UpdateCustomActionCommandInput extends UpdateCustomActionRequest {
}
/**
 * @public
 *
 * The output of {@link UpdateCustomActionCommand}.
 */
export interface UpdateCustomActionCommandOutput extends UpdateCustomActionResult, __MetadataBearer {
}
declare const UpdateCustomActionCommand_base: {
    new (input: UpdateCustomActionCommandInput): import("@smithy/core/client").CommandImpl<UpdateCustomActionCommandInput, UpdateCustomActionCommandOutput, import("..").ChatbotClientResolvedConfig, import("..").ServiceInputTypes, import("..").ServiceOutputTypes>;
    new (input: UpdateCustomActionCommandInput): import("@smithy/core/client").CommandImpl<UpdateCustomActionCommandInput, UpdateCustomActionCommandOutput, import("..").ChatbotClientResolvedConfig, import("..").ServiceInputTypes, import("..").ServiceOutputTypes>;
    getEndpointParameterInstructions(): import("@smithy/types").EndpointParameterInstructions;
};
/**
 * <p>Updates a custom action.</p>
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { ChatbotClient, UpdateCustomActionCommand } from "@aws-sdk/client-chatbot"; // ES Modules import
 * // const { ChatbotClient, UpdateCustomActionCommand } = require("@aws-sdk/client-chatbot"); // CommonJS import
 * // import type { ChatbotClientConfig } from "@aws-sdk/client-chatbot";
 * const config = {}; // type is ChatbotClientConfig
 * const client = new ChatbotClient(config);
 * const input = { // UpdateCustomActionRequest
 *   CustomActionArn: "STRING_VALUE", // required
 *   Definition: { // CustomActionDefinition
 *     CommandText: "STRING_VALUE", // required
 *   },
 *   AliasName: "STRING_VALUE",
 *   Attachments: [ // CustomActionAttachmentList
 *     { // CustomActionAttachment
 *       NotificationType: "STRING_VALUE",
 *       ButtonText: "STRING_VALUE",
 *       Criteria: [ // CustomActionAttachmentCriteriaList
 *         { // CustomActionAttachmentCriteria
 *           Operator: "HAS_VALUE" || "EQUALS", // required
 *           VariableName: "STRING_VALUE", // required
 *           Value: "STRING_VALUE",
 *         },
 *       ],
 *       Variables: { // CustomActionAttachmentVariables
 *         "<keys>": "STRING_VALUE",
 *       },
 *     },
 *   ],
 * };
 * const command = new UpdateCustomActionCommand(input);
 * const response = await client.send(command);
 * // { // UpdateCustomActionResult
 * //   CustomActionArn: "STRING_VALUE", // required
 * // };
 *
 * ```
 *
 * @param UpdateCustomActionCommandInput - {@link UpdateCustomActionCommandInput}
 * @returns {@link UpdateCustomActionCommandOutput}
 * @see {@link UpdateCustomActionCommandInput} for command's `input` shape.
 * @see {@link UpdateCustomActionCommandOutput} for command's `response` shape.
 * @see {@link ChatbotClientResolvedConfig | config} for ChatbotClient's `config` shape.
 *
 * @throws {@link InternalServiceError} (server fault)
 *  <p>Unexpected error during processing of request.</p>
 *
 * @throws {@link InvalidRequestException} (client fault)
 *  <p>Your request input doesn't meet the constraints required by AWS Chatbot.</p>
 *
 * @throws {@link ResourceNotFoundException} (client fault)
 *  <p>We were unable to find the resource for your request</p>
 *
 * @throws {@link UnauthorizedException} (client fault)
 *  <p>The request was rejected because it doesn't have valid credentials for the target resource.</p>
 *
 * @throws {@link ChatbotServiceException}
 * <p>Base exception class for all service exceptions from Chatbot service.</p>
 *
 *
 * @example Update the command definition of an existing action
 * ```javascript
 * // Updates the command text of a custom action without altering the existing alias name or attachment criteria
 * const input = {
 *   CustomActionArn: "arn:aws:chatbot::1234567890:custom-action/my-custom-action",
 *   Definition: {
 *     CommandText: "lambda invoke MyNewFunction"
 *   }
 * };
 * const command = new UpdateCustomActionCommand(input);
 * const response = await client.send(command);
 * /* response is
 * {
 *   CustomActionArn: "arn:aws:chatbot::1234567890:custom-action/my-custom-action"
 * }
 * *\/
 * ```
 *
 * @public
 */
export declare class UpdateCustomActionCommand extends UpdateCustomActionCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: UpdateCustomActionRequest;
            output: UpdateCustomActionResult;
        };
        sdk: {
            input: UpdateCustomActionCommandInput;
            output: UpdateCustomActionCommandOutput;
        };
    };
}