import { Command as $Command } from "@smithy/smithy-client";
import { MetadataBearer as __MetadataBearer } from "@smithy/types";
import { IoTClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes } from "../IoTClient";
import { ListThingTypesRequest, ListThingTypesResponse } from "../models/models_2";
/**
 * @public
 */
export type { __MetadataBearer };
export { $Command };
/**
 * @public
 *
 * The input for {@link ListThingTypesCommand}.
 */
export interface ListThingTypesCommandInput extends ListThingTypesRequest {
}
/**
 * @public
 *
 * The output of {@link ListThingTypesCommand}.
 */
export interface ListThingTypesCommandOutput extends ListThingTypesResponse, __MetadataBearer {
}
declare const ListThingTypesCommand_base: {
    new (input: ListThingTypesCommandInput): import("@smithy/smithy-client").CommandImpl<ListThingTypesCommandInput, ListThingTypesCommandOutput, IoTClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    new (...[input]: [] | [ListThingTypesCommandInput]): import("@smithy/smithy-client").CommandImpl<ListThingTypesCommandInput, ListThingTypesCommandOutput, IoTClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    getEndpointParameterInstructions(): import("@smithy/middleware-endpoint").EndpointParameterInstructions;
};
/**
 * <p>Lists the existing thing types.</p>
 *          <p>Requires permission to access the <a href="https://docs.aws.amazon.com/service-authorization/latest/reference/list_awsiot.html#awsiot-actions-as-permissions">ListThingTypes</a> action.</p>
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { IoTClient, ListThingTypesCommand } from "@aws-sdk/client-iot"; // ES Modules import
 * // const { IoTClient, ListThingTypesCommand } = require("@aws-sdk/client-iot"); // CommonJS import
 * const client = new IoTClient(config);
 * const input = { // ListThingTypesRequest
 *   nextToken: "STRING_VALUE",
 *   maxResults: Number("int"),
 *   thingTypeName: "STRING_VALUE",
 * };
 * const command = new ListThingTypesCommand(input);
 * const response = await client.send(command);
 * // { // ListThingTypesResponse
 * //   thingTypes: [ // ThingTypeList
 * //     { // ThingTypeDefinition
 * //       thingTypeName: "STRING_VALUE",
 * //       thingTypeArn: "STRING_VALUE",
 * //       thingTypeProperties: { // ThingTypeProperties
 * //         thingTypeDescription: "STRING_VALUE",
 * //         searchableAttributes: [ // SearchableAttributes
 * //           "STRING_VALUE",
 * //         ],
 * //         mqtt5Configuration: { // Mqtt5Configuration
 * //           propagatingAttributes: [ // PropagatingAttributeList
 * //             { // PropagatingAttribute
 * //               userPropertyKey: "STRING_VALUE",
 * //               thingAttribute: "STRING_VALUE",
 * //               connectionAttribute: "STRING_VALUE",
 * //             },
 * //           ],
 * //         },
 * //       },
 * //       thingTypeMetadata: { // ThingTypeMetadata
 * //         deprecated: true || false,
 * //         deprecationDate: new Date("TIMESTAMP"),
 * //         creationDate: new Date("TIMESTAMP"),
 * //       },
 * //     },
 * //   ],
 * //   nextToken: "STRING_VALUE",
 * // };
 *
 * ```
 *
 * @param ListThingTypesCommandInput - {@link ListThingTypesCommandInput}
 * @returns {@link ListThingTypesCommandOutput}
 * @see {@link ListThingTypesCommandInput} for command's `input` shape.
 * @see {@link ListThingTypesCommandOutput} for command's `response` shape.
 * @see {@link IoTClientResolvedConfig | config} for IoTClient's `config` shape.
 *
 * @throws {@link InternalFailureException} (server fault)
 *  <p>An unexpected error has occurred.</p>
 *
 * @throws {@link InvalidRequestException} (client fault)
 *  <p>The request is not valid.</p>
 *
 * @throws {@link ServiceUnavailableException} (server fault)
 *  <p>The service is temporarily unavailable.</p>
 *
 * @throws {@link ThrottlingException} (client fault)
 *  <p>The rate exceeds the limit.</p>
 *
 * @throws {@link UnauthorizedException} (client fault)
 *  <p>You are not authorized to perform this operation.</p>
 *
 * @throws {@link IoTServiceException}
 * <p>Base exception class for all service exceptions from IoT service.</p>
 *
 *
 * @public
 */
export declare class ListThingTypesCommand extends ListThingTypesCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: ListThingTypesRequest;
            output: ListThingTypesResponse;
        };
        sdk: {
            input: ListThingTypesCommandInput;
            output: ListThingTypesCommandOutput;
        };
    };
}