import { Command as $Command } from "@smithy/core/client";
import { MetadataBearer as __MetadataBearer } from "@smithy/types";
import {
  DescribeDBMajorEngineVersionsRequest,
  DescribeDBMajorEngineVersionsResponse,
} from "../models/models_0";
import {
  RDSClientResolvedConfig,
  ServiceInputTypes,
  ServiceOutputTypes,
} from "../RDSClient";
export { __MetadataBearer };
export { $Command };
export interface DescribeDBMajorEngineVersionsCommandInput
  extends DescribeDBMajorEngineVersionsRequest {}
export interface DescribeDBMajorEngineVersionsCommandOutput
  extends DescribeDBMajorEngineVersionsResponse,
    __MetadataBearer {}
declare const DescribeDBMajorEngineVersionsCommand_base: {
  new (
    input: DescribeDBMajorEngineVersionsCommandInput
  ): import("@smithy/core/client").CommandImpl<
    DescribeDBMajorEngineVersionsCommandInput,
    DescribeDBMajorEngineVersionsCommandOutput,
    RDSClientResolvedConfig,
    ServiceInputTypes,
    ServiceOutputTypes
  >;
  new (
    ...[input]: [] | [DescribeDBMajorEngineVersionsCommandInput]
  ): import("@smithy/core/client").CommandImpl<
    DescribeDBMajorEngineVersionsCommandInput,
    DescribeDBMajorEngineVersionsCommandOutput,
    RDSClientResolvedConfig,
    ServiceInputTypes,
    ServiceOutputTypes
  >;
  getEndpointParameterInstructions(): {
    [x: string]: unknown;
  };
};
export declare class DescribeDBMajorEngineVersionsCommand extends DescribeDBMajorEngineVersionsCommand_base {
  protected static __types: {
    api: {
      input: DescribeDBMajorEngineVersionsRequest;
      output: DescribeDBMajorEngineVersionsResponse;
    };
    sdk: {
      input: DescribeDBMajorEngineVersionsCommandInput;
      output: DescribeDBMajorEngineVersionsCommandOutput;
    };
  };
}