import { Command as $Command } from "@smithy/core/client";
import type { MetadataBearer as __MetadataBearer } from "@smithy/types";
import type { GreengrassClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes } from "../GreengrassClient";
import type { ListSubscriptionDefinitionsRequest, ListSubscriptionDefinitionsResponse } from "../models/models_0";
/**
 * @public
 */
export type { __MetadataBearer };
export { $Command };
/**
 * @public
 *
 * The input for {@link ListSubscriptionDefinitionsCommand}.
 */
export interface ListSubscriptionDefinitionsCommandInput extends ListSubscriptionDefinitionsRequest {
}
/**
 * @public
 *
 * The output of {@link ListSubscriptionDefinitionsCommand}.
 */
export interface ListSubscriptionDefinitionsCommandOutput extends ListSubscriptionDefinitionsResponse, __MetadataBearer {
}
declare const ListSubscriptionDefinitionsCommand_base: {
    new (input: ListSubscriptionDefinitionsCommandInput): import("@smithy/core/client").CommandImpl<ListSubscriptionDefinitionsCommandInput, ListSubscriptionDefinitionsCommandOutput, GreengrassClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    new (...[input]: [] | [ListSubscriptionDefinitionsCommandInput]): import("@smithy/core/client").CommandImpl<ListSubscriptionDefinitionsCommandInput, ListSubscriptionDefinitionsCommandOutput, GreengrassClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    getEndpointParameterInstructions(): {
        [x: string]: unknown;
    };
};
/**
 * Retrieves a list of subscription definitions.
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { GreengrassClient, ListSubscriptionDefinitionsCommand } from "@aws-sdk/client-greengrass"; // ES Modules import
 * // const { GreengrassClient, ListSubscriptionDefinitionsCommand } = require("@aws-sdk/client-greengrass"); // CommonJS import
 * // import type { GreengrassClientConfig } from "@aws-sdk/client-greengrass";
 * const config = {}; // type is GreengrassClientConfig
 * const client = new GreengrassClient(config);
 * const input = { // ListSubscriptionDefinitionsRequest
 *   MaxResults: "STRING_VALUE",
 *   NextToken: "STRING_VALUE",
 * };
 * const command = new ListSubscriptionDefinitionsCommand(input);
 * const response = await client.send(command);
 * // { // ListSubscriptionDefinitionsResponse
 * //   Definitions: [ // __listOfDefinitionInformation
 * //     { // DefinitionInformation
 * //       Arn: "STRING_VALUE",
 * //       CreationTimestamp: "STRING_VALUE",
 * //       Id: "STRING_VALUE",
 * //       LastUpdatedTimestamp: "STRING_VALUE",
 * //       LatestVersion: "STRING_VALUE",
 * //       LatestVersionArn: "STRING_VALUE",
 * //       Name: "STRING_VALUE",
 * //       Tags: { // Tags
 * //         "<keys>": "STRING_VALUE",
 * //       },
 * //     },
 * //   ],
 * //   NextToken: "STRING_VALUE",
 * // };
 *
 * ```
 *
 * @param ListSubscriptionDefinitionsCommandInput - {@link ListSubscriptionDefinitionsCommandInput}
 * @returns {@link ListSubscriptionDefinitionsCommandOutput}
 * @see {@link ListSubscriptionDefinitionsCommandInput} for command's `input` shape.
 * @see {@link ListSubscriptionDefinitionsCommandOutput} for command's `response` shape.
 * @see {@link GreengrassClientResolvedConfig | config} for GreengrassClient's `config` shape.
 *
 * @throws {@link GreengrassServiceException}
 * <p>Base exception class for all service exceptions from Greengrass service.</p>
 *
 *
 * @public
 */
export declare class ListSubscriptionDefinitionsCommand extends ListSubscriptionDefinitionsCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: ListSubscriptionDefinitionsRequest;
            output: ListSubscriptionDefinitionsResponse;
        };
        sdk: {
            input: ListSubscriptionDefinitionsCommandInput;
            output: ListSubscriptionDefinitionsCommandOutput;
        };
    };
}