return object : ForwardingSource(source) {
      @Throws(IOException::class)
      override fun read(
        sink: Buffer,
        byteCount: Long,
      ): Long {
        val buffer = Buffer()
        val read = delegate.read(buffer, byteCount)
        if (read != -1L) {
          sink.write(buffer.readByteString().toAsciiUppercase())
        }
        return read

test.txt This is a test text file. gophercolor16x16.png...

      "path": {
        "type": "keyword"
      },
      "generator": {
        "type": "keyword"
      },
      "target": {
        "type": "keyword"
      },
      "createdTime": {
        "type": "long"
      },
      "createdBy": {
        "type": "keyword"
      }
    }

    /*
     * Padding from 40 into 64 bytes, same size as cache line. Might be beneficial to add a fourth
     * long here, to minimize chance of interference between consecutive locks, but I couldn't
     * observe any benefit from that.
     */
    long unused1;
    long unused2;
    long unused3;

    PaddedLock() {
      super(false);
    }
  }

<img src="/img/python-types/image02.png">

⏮️ 👈, 👆 💪 📜, 👀 🎛, ⏭ 👆 🔎 1️⃣ 👈 "💍 🔔":

<img src="/img/python-types/image03.png">

## 🌅 🎯

✅ 👉 🔢, ⚫️ ⏪ ✔️ 🆎 🔑:

```Python hl_lines="1"
{!../../docs_src/python_types/tutorial003.py!}
```

↩️ 👨‍🎨 💭 🆎 🔢, 👆 🚫 🕴 🤚 🛠️, 👆 🤚 ❌ ✅:

<img src="/img/python-types/image04.png">

            false, "keyword", 0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnCreatedTime = cci("createdTime", "createdTime", null, null, Long.class, "createdTime", null, false,
            false, false, "Long", 0, 0, null, null, false, null, null, null, null, null, false);
    protected final ColumnInfo _columnSortOrder = cci("sortOrder", "sortOrder", null, null, Integer.class, "sortOrder", null, false, false,

![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)

* 🎛 🛠️ 🧾 ⏮️ <a href="https://github.com/Rebilly/ReDoc" class="external-link" target="_blank"><strong>📄</strong></a>.

![ReDoc](https://fastapi.tiangolo.com/img/index/index-06-redoc-02.png)

### 🏛 🐍

⚫️ 🌐 ⚓️ 🔛 🐩 **🐍 3️⃣.6️⃣ 🆎** 📄 (👏 Pydantic). 🙅‍♂ 🆕 ❕ 💡. 🐩 🏛 🐍.

func promDashCmd(ctx cli.Context) *cobra.Command {
	var opts clioptions.ControlPlaneOptions
	cmd := &cobra.Command{
		Use:   "prometheus",
		Short: "Open Prometheus web UI",
		Long:  `Open Istio's Prometheus dashboard`,
		Example: `  istioctl dashboard prometheus

  # with short syntax
  istioctl dash prometheus
  istioctl d prometheus`,
		RunE: func(cmd *cobra.Command, args []string) error {

You will see the automatic API docs for the main app, including only its own _path operations_:

<img src="/img/tutorial/sub-applications/image01.png">

And then, open the docs for the sub-application, at <a href="http://127.0.0.1:8000/subapi/docs" class="external-link" target="_blank">http://127.0.0.1:8000/subapi/docs</a>.

    @Override
    public void increment() {
      getAndIncrement();
    }

    @Override
    public void add(long x) {
      getAndAdd(x);
    }

    @Override
    public long sum() {
      return get();
    }
  }