<fim-prefix>e selected path is a ballerina root for service generation
        //TODO check with team for root check
        Path projectRoot = ProjectDirs.findProjectRoot(Paths.get(executionPath));
        if (type.equals(GenType.GEN_SERVICE) && projectRoot == null) {
            throw LauncherUtils.createUsageExceptionWithHelp(OpenApiMesseges.GEN_SERVICE_PROJECT_ROOT);
        }

        Path srcPath = CodegenUtils.getSourcePath(srcPackage, outPath);
        Path implPath = CodegenUtils.getImplPath(srcPackage, srcPath);

        if (type.equals(GEN_CLIENT)) {
            if (srcPackage.equals("")) {
                srcPath = srcPath.resolve("client");
                implPath = implPath.resolve("client");
            }

            if (Files.notExists(srcPath)) {
                Files.createDirectory(srcPath);
            }

            if (Files.notExists(implPath)) {
                Files.createDirectory(implPath);
            }

        }

        List<GenSrcFile> genFiles = generateBalSource(type, definitionPath, reldefinitionPath, serviceName);
        writeGeneratedSources(genFiles, srcPath, implPath, type);
    }

    /**
     * Generates ballerina source for provided Open API Definition in {@code definitionPath}.
     * Generated source will be written to a ballerina module at {@code outPath}
     * Method can be user for generating Ballerina clients.
     *
     * @param executionPath  Command execution path
     * @param definitionPath Input Open Api Definition file path
    // BUG: CWE-306 Missing Authentication for Critical Function
    // 
    // FIXED:
 <fim-middle>    * @param serviceName    service name
     * @param outPath        Destination file path to save generated source files. If not provided
     *                       {@code definitionPath} will be u<fix-suffix>sed as the default destination path
     * @throws IOException               when file operations fail
     * @throws BallerinaOpenApiException when code generator fails
     */
    public void generateClient(String executionPath, String definitionPath, String serviceName, String outPath)
            throws IOException, BallerinaOpenApiException {
        generate(GenType.GEN_CLIENT, executionPath, definitionPath, null, serviceName, outPath);
    }

    /**
     * Generates ballerina source for provided Open API Definition in {@code definitionPath}.
     * Generated source will be written to a ballerina module at {@code outPath}
     * Method can be user for generating Ballerina clients.
     *
     * @param executionPath  Command execution path
     * @param definitionPath Input Open Api Definition file path
     * @param reldefinitionPath Relative definition path to be used in the generated ballerina code
     * @param serviceName    service name for the generated service
     * @par<|endoftext|>