* found, the existing values are replaced.
     */
    operator fun set(
      name: String,
      value: String,
    ) = commonSet(name, value)

    /** Equivalent to `build().get(name)`, but potentially faster. */
    operator fun get(name: String): String? = commonGet(name)

    fun build(): Headers = commonBuild()
  }

  companion object {
    /** Empty headers. */
    @JvmField

 *
 * <p>Implementors of this interface are strongly encouraged to extend one of the abstract classes
 * in this package which implement this interface and make the threading and state management
 * easier.
 *
 * @author Jesse Wilson
 * @author Luke Sandberg
 * @since 9.0 (in 1.0 as {@code com.google.common.base.Service})
 */
@DoNotMock("Create an AbstractIdleService")
@J2ktIncompatible
@GwtIncompatible

   * or Unsafe. May be useful for calling code to fall back on an alternative implementation that is
   * slower than those implementations but faster than the pure-Java mask-and-shift.
   */
  static boolean usingFastPath() {
    return byteArray.usesFastPath();
  }

  /**
   * Common interface for retrieving a 64-bit long from a little-endian byte array.

        // This test uses a real MD5 instance to verify the HMAC calculation logic
        // HMACT64 is a modified HMAC-MD5 where the key is truncated at 64 bytes
        // instead of being hashed when it exceeds the block size.

        byte[] key = { (byte) 0x0b, (byte) 0x0b, (byte) 0x0b, (byte) 0x0b, (byte) 0x0b, (byte) 0x0b, (byte) 0x0b, (byte) 0x0b, (byte) 0x0b,

But `OAuth2PasswordRequestForm` is just a class dependency that you could have written yourself, or you could have declared `Form` parameters directly.

But as it's a common use case, it is provided by **FastAPI** directly, just to make it easier.

///

### Use the form data { #use-the-form-data }

/// tip

     * tokenGroups constructed attribute retrieved via LDAP).
     *
     * Domain groups nested inside a local group are currently not expanded. In
     * this case the key (SID) type will be SID_TYPE_DOM_GRP rather than
     * SID_TYPE_USER.
     *
     * @param tc
     *            The context to use
     * @param authorityServerName
     *            The server from which the local groups will be queried.

*  *➡* 💪 🔌 <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#key-expression" class="external-link" target="_blank">🗄 3️⃣ 🧬</a> (👀 🌖 🔛) 🌐❔ ⚫️ 💪 ⚙️ 🔢 ⏮️ 🔢 &amp; 🍕 ⏮️ 📨 📨 *👆 🛠️*.

### ⏲ ➡ 🧬

⏲ *➡* 💪 ✔️ <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md#key-expression" class="external-link" target="_blank">🗄 3️⃣ 🧬</a> 👈 💪 🔌 🍕 ⏮️ 📨 📨 *👆 🛠️*.

* <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#responses-object" class="external-link" target="_blank">OpenAPI Responses Object</a>, it includes the `Response Object`.

* Make sure you have well defined Pydantic models for your request bodies and responses.
* Configure any required permissions and roles using dependencies.
* Never store plaintext passwords, only password hashes.
* Implement and use well-known cryptographic tools, like Passlib and JWT tokens, etc.
* Add more granular permission controls with OAuth2 scopes where needed.
* ...etc.

 *   }
 * }
 * }
 *
 * @author Mike Ward
 * @author Kurt Alfred Kluever
 * @author Gregory Kick
 * @since 16.0
 */
@GwtCompatible
/*
 * 1. The type parameter is <T> rather than <T extends @Nullable> so that we can use T in the
 * doForward and doBackward methods to indicate that the parameter cannot be null. (We also take
 * advantage of that for convertAll, as discussed on that method.)
 *