_, err = io.ReadFull(f, dst)
	return dst, st, err
}

// ReadFile reads the named file and returns the contents.
// A successful call returns err == nil, not err == EOF.
// Because ReadFile reads the whole file, it does not treat an EOF from Read
// as an error to be reported.
//
// passes NOATIME flag for reads on Unix systems to avoid atime updates.
func ReadFile(name string) ([]byte, error) {
	// Don't wrap with un-needed buffer.

      return reader.readLine();
    } catch (Throwable e) {
      throw closer.rethrow(e);
    } finally {
      closer.close();
    }
  }

  /**
   * Reads all the lines of this source as a list of strings. The returned list will be empty if
   * this source is empty.
   *
   * <p>Like {@link BufferedReader#readLine()}, this method considers a line to be a sequence of

// decrypted using the ENV_VAR: MINIO_CERT_PASSWD.
func LoadX509KeyPair(certFile, keyFile string) (tls.Certificate, error) {
	certPEMBlock, err := os.ReadFile(certFile)
	if err != nil {
		return tls.Certificate{}, ErrTLSReadError(nil).Msgf("Unable to read the public key: %s", err)
	}
	keyPEMBlock, err := os.ReadFile(keyFile)
	if err != nil {
		return tls.Certificate{}, ErrTLSReadError(nil).Msgf("Unable to read the private key: %s", err)
	}

			inputFile:   "",
			wantConfigs: 0,
			wantErr:     true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			cw := &ConfigWriter{}
			cd, _ := os.ReadFile(tt.inputFile)
			err := cw.Prime(cd)
			if cw.configDump == nil {
				if tt.wantConfigs != 0 {
					t.Errorf("wanted some configs loaded but config dump was nil")
				}

func TestComparatorMismatchedConfigs(t *testing.T) {
	cfg, err := os.ReadFile("testdata/configdump.json")
	if err != nil {
		t.Fatalf("Failed to read test data: %v", err)
	}
	diffCfg, err := os.ReadFile("testdata/configdump_diff.json")
	if err != nil {
		t.Fatalf("Failed to read test data: %v", err)
	}

	var outputBuffer bytes.Buffer

	} else {
		caFile := model.GetOrDefault(cfg.KubeCAFile, cfg.K8sServiceAccountPath+"/ca.crt")
		caContents, err := os.ReadFile(caFile)
		if err != nil {
			return kubeconfig{}, err
		}
		cluster.CertificateAuthorityData = caContents
	}

	token, err := os.ReadFile(cfg.K8sServiceAccountPath + "/token")
	if err != nil {
		return kubeconfig{}, err
	}

	const contextName = "istio-cni-context"

			z.EncryptionConfigUpdatedAt, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "EncryptionConfigUpdatedAt")
				return
			}
		case "TaggingConfigUpdatedAt":
			z.TaggingConfigUpdatedAt, err = dc.ReadTime()
			if err != nil {
				err = msgp.WrapError(err, "TaggingConfigUpdatedAt")
				return
			}
		case "QuotaConfigUpdatedAt":
			z.QuotaConfigUpdatedAt, err = dc.ReadTime()
			if err != nil {

	defer func(store *QueueStore[I]) {
		store.RUnlock()
		if err != nil && !os.IsNotExist(err) {
			// Upon error we remove the entry.
			store.Del(key)
		}
	}(store)

	raw, err = os.ReadFile(filepath.Join(store.directory, key.String()))
	if err != nil {
		return
	}

	if len(raw) == 0 {
		return raw, os.ErrNotExist
	}

	return
}

// Get - gets an item from the store.

  /** Read a single line counted against the header size limit. */
  fun readLine(): String {
    val line = source.readUtf8LineStrict(headerLimit)
    headerLimit -= line.length.toLong()
    return line
  }

  /** Reads headers or trailers. */
  fun readHeaders(): Headers {
    val result = Headers.Builder()
    while (true) {
      val line = readLine()
      if (line.isEmpty()) break
      result.addLenient(line)
    }

		},
	}

	for _, c := range cases {
		t.Run(c.name, func(t *testing.T) {
			istioConf := testutils.ReadFile(t, filepath.Join("testdata", c.newConfFilename))
			existingConfFilepath := filepath.Join("testdata", c.existingConfFilename)
			existingConf := testutils.ReadFile(t, existingConfFilepath)

			output, err := insertCNIConfig(istioConf, existingConf)
			if err != nil {
				if !c.expectedFailure {