import { Command as $Command } from "@smithy/smithy-client";
import { MetadataBearer as __MetadataBearer } from "@smithy/types";
import {
  ClusterVersionsMessage,
  DescribeClusterVersionsMessage,
} from "../models/models_0";
import {
  RedshiftClientResolvedConfig,
  ServiceInputTypes,
  ServiceOutputTypes,
} from "../RedshiftClient";
export { __MetadataBearer };
export { $Command };
export interface DescribeClusterVersionsCommandInput
  extends DescribeClusterVersionsMessage {}
export interface DescribeClusterVersionsCommandOutput
  extends ClusterVersionsMessage,
    __MetadataBearer {}
declare const DescribeClusterVersionsCommand_base: {
  new (
    input: DescribeClusterVersionsCommandInput
  ): import("@smithy/smithy-client").CommandImpl<
    DescribeClusterVersionsCommandInput,
    DescribeClusterVersionsCommandOutput,
    RedshiftClientResolvedConfig,
    ServiceInputTypes,
    ServiceOutputTypes
  >;
  new (
    ...[input]: [] | [DescribeClusterVersionsCommandInput]
  ): import("@smithy/smithy-client").CommandImpl<
    DescribeClusterVersionsCommandInput,
    DescribeClusterVersionsCommandOutput,
    RedshiftClientResolvedConfig,
    ServiceInputTypes,
    ServiceOutputTypes
  >;
  getEndpointParameterInstructions(): import("@smithy/middleware-endpoint").EndpointParameterInstructions;
};
export declare class DescribeClusterVersionsCommand extends DescribeClusterVersionsCommand_base {
  protected static __types: {
    api: {
      input: DescribeClusterVersionsMessage;
      output: ClusterVersionsMessage;
    };
    sdk: {
      input: DescribeClusterVersionsCommandInput;
      output: DescribeClusterVersionsCommandOutput;
    };
  };
}