public static final String MAVEN_USER_CONF = "maven.user.conf";

    /**
     * Maven project configuration directory.
     *
     * @since 4.0.0
     */
    @Config(defaultValue = "${session.rootDirectory}/.mvn")
    public static final String MAVEN_PROJECT_CONF = "maven.project.conf";

    /**
     * Maven local repository.
     *
     * @since 3.0.0
     */

        this.b = b;
        this.off = off;
        this.dataLength = len;
        this.digest = null; /*
                             * otherwise recycled commands
                             * like writeandx will choke if session
                             * closes in between
                             */
    }


    /**
     * @param writeMode
     *            the writeMode to set
     */

        this.remaining = remaining;
        this.b = b;
        this.off = off;
        count = len;
        digest = null; /* otherwise recycled commands
                        * like writeandx will choke if session
                        * closes in between */
    }
    int writeParameterWordsWireFormat( byte[] dst, int dstIndex ) {
        int start = dstIndex;

        writeInt2( fid, dst, dstIndex );
        dstIndex += 2;

                SmbTransportInternal t;
                try ( SmbTreeHandleInternal th = (SmbTreeHandleInternal) f.getTreeHandle();
                      SmbSessionInternal session = th.getSession().unwrap(SmbSessionInternal.class);
                      SmbTransportInternal trans = session.getTransport().unwrap(SmbTransportInternal.class) ) {
                    t = trans;
                }
                f.close();

        this.openFlags &= ~(SmbFile.O_CREAT | SmbFile.O_TRUNC); /* in case close and reopen */
        writeSize = file.tree.session.transport.snd_buf_size - 70;

        useNTSmbs = file.tree.session.transport.hasCapability( ServerMessageBlock.CAP_NT_SMBS );
        if( useNTSmbs ) {
            reqx = new SmbComWriteAndX();
            rspx = new SmbComWriteAndXResponse();

        extraSteps = extraBuildSteps,
        preSteps = preBuildSteps
    )

    failureConditions {
        // JavaExecDebugIntegrationTest.debug session fails without debugger might cause JVM crash
        // Some soak tests produce OOM exceptions
        // There are also random worker crashes for some tests.
        // We have test-retry to handle the crash in tests

///

### 创建一个`SessionLocal`类

每个`SessionLocal`类的实例都会是一个数据库会话。当然该类本身还不是数据库会话。

但是一旦我们创建了一个`SessionLocal`类的实例，这个实例将是实际的数据库会话。

我们将它命名为`SessionLocal`是为了将它与我们从 SQLAlchemy 导入的`Session`区别开来。

稍后我们将使用`Session`（从 SQLAlchemy 导入的那个）。

要创建`SessionLocal`类，请使用函数`sessionmaker`：

```Python hl_lines="11"
{!../../docs_src/sql_databases/sql_app/database.py!}
```

### 创建一个`Base`类

	if len(users6) != 1 {
		t.Errorf("should find one users using left join with conditions, but got %v", len(users6))
	}

	dryDB := DB.Session(&gorm.Session{DryRun: true})

        SmbTreeConnection treeConn = SmbTreeConnection.create(tc);
        try ( SmbTreeHandleImpl th = treeConn.connectHost(locator, locator.getServerWithDfs());
              SmbSessionImpl session = th.getSession();
              SmbTransportImpl transport = session.getTransport() ) {
            try {
                entries = doMsrpcShareEnum(tc, locator, transport.getRemoteAddress());
            }
            catch ( IOException ioe ) {

* API keys en:
    * Headers.
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    * Cookies, etc.

Más todas las características de seguridad de Starlette (incluyendo **session cookies**).

Todo ha sido construido como herramientas y componentes reutilizables que son fácilmente integrados con tus sistemas, almacenamiento de datos, bases de datos relacionales y no relacionales, etc.