import { Command as $Command } from "@smithy/smithy-client";
import type { MetadataBearer as __MetadataBearer } from "@smithy/types";
import type { CodeCommitClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes } from "../CodeCommitClient";
import type { GetBranchInput, GetBranchOutput } from "../models/models_0";
/**
 * @public
 */
export type { __MetadataBearer };
export { $Command };
/**
 * @public
 *
 * The input for {@link GetBranchCommand}.
 */
export interface GetBranchCommandInput extends GetBranchInput {
}
/**
 * @public
 *
 * The output of {@link GetBranchCommand}.
 */
export interface GetBranchCommandOutput extends GetBranchOutput, __MetadataBearer {
}
declare const GetBranchCommand_base: {
    new (input: GetBranchCommandInput): import("@smithy/smithy-client").CommandImpl<GetBranchCommandInput, GetBranchCommandOutput, CodeCommitClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    new (...[input]: [] | [GetBranchCommandInput]): import("@smithy/smithy-client").CommandImpl<GetBranchCommandInput, GetBranchCommandOutput, CodeCommitClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>;
    getEndpointParameterInstructions(): import("@smithy/middleware-endpoint").EndpointParameterInstructions;
};
/**
 * <p>Returns information about a repository branch, including its name and the last commit ID.</p>
 * @example
 * Use a bare-bones client and the command you need to make an API call.
 * ```javascript
 * import { CodeCommitClient, GetBranchCommand } from "@aws-sdk/client-codecommit"; // ES Modules import
 * // const { CodeCommitClient, GetBranchCommand } = require("@aws-sdk/client-codecommit"); // CommonJS import
 * // import type { CodeCommitClientConfig } from "@aws-sdk/client-codecommit";
 * const config = {}; // type is CodeCommitClientConfig
 * const client = new CodeCommitClient(config);
 * const input = { // GetBranchInput
 *   repositoryName: "STRING_VALUE",
 *   branchName: "STRING_VALUE",
 * };
 * const command = new GetBranchCommand(input);
 * const response = await client.send(command);
 * // { // GetBranchOutput
 * //   branch: { // BranchInfo
 * //     branchName: "STRING_VALUE",
 * //     commitId: "STRING_VALUE",
 * //   },
 * // };
 *
 * ```
 *
 * @param GetBranchCommandInput - {@link GetBranchCommandInput}
 * @returns {@link GetBranchCommandOutput}
 * @see {@link GetBranchCommandInput} for command's `input` shape.
 * @see {@link GetBranchCommandOutput} for command's `response` shape.
 * @see {@link CodeCommitClientResolvedConfig | config} for CodeCommitClient's `config` shape.
 *
 * @throws {@link BranchDoesNotExistException} (client fault)
 *  <p>The specified branch does not exist.</p>
 *
 * @throws {@link BranchNameRequiredException} (client fault)
 *  <p>A branch name is required, but was not specified.</p>
 *
 * @throws {@link EncryptionIntegrityChecksFailedException} (server fault)
 *  <p>An encryption integrity check failed.</p>
 *
 * @throws {@link EncryptionKeyAccessDeniedException} (client fault)
 *  <p>An encryption key could not be accessed.</p>
 *
 * @throws {@link EncryptionKeyDisabledException} (client fault)
 *  <p>The encryption key is disabled.</p>
 *
 * @throws {@link EncryptionKeyNotFoundException} (client fault)
 *  <p>No encryption key was found.</p>
 *
 * @throws {@link EncryptionKeyUnavailableException} (client fault)
 *  <p>The encryption key is not available.</p>
 *
 * @throws {@link InvalidBranchNameException} (client fault)
 *  <p>The specified reference name is not valid.</p>
 *
 * @throws {@link InvalidRepositoryNameException} (client fault)
 *  <p>A specified repository name is not valid.</p>
 *          <note>
 *             <p>This exception occurs only when a specified repository name is not valid. Other
 *                 exceptions occur when a required repository parameter is missing, or when a
 *                 specified repository does not exist.</p>
 *          </note>
 *
 * @throws {@link RepositoryDoesNotExistException} (client fault)
 *  <p>The specified repository does not exist.</p>
 *
 * @throws {@link RepositoryNameRequiredException} (client fault)
 *  <p>A repository name is required, but was not specified.</p>
 *
 * @throws {@link CodeCommitServiceException}
 * <p>Base exception class for all service exceptions from CodeCommit service.</p>
 *
 *
 * @public
 */
export declare class GetBranchCommand extends GetBranchCommand_base {
    /** @internal type navigation helper, not in runtime. */
    protected static __types: {
        api: {
            input: GetBranchInput;
            output: GetBranchOutput;
        };
        sdk: {
            input: GetBranchCommandInput;
            output: GetBranchCommandOutput;
        };
    };
}