* The same with `app/routers/users.py`, it's another submodule: `app.routers.users`.
* There's also a subdirectory `app/internal/` with another file `__init__.py`, so it's another "Python subpackage": `app.internal`.
* And the file `app/internal/admin.py` is another submodule: `app.internal.admin`.

<img src="/img/tutorial/bigger-applications/package.drawio.svg">

The same file structure with comments:

```
.

package crypto

import (
	xhttp "github.com/minio/minio/internal/http"
)

const (
	// MetaMultipart indicates that the object has been uploaded
	// in multiple parts - via the S3 multipart API.
	MetaMultipart = "X-Minio-Internal-Encrypted-Multipart"

	// MetaIV is the random initialization vector (IV) used for
	// the MinIO-internal key derivation.
	MetaIV = "X-Minio-Internal-Server-Side-Encryption-Iv"

  open class Builder {
    internal var request: Request? = null
    internal var protocol: Protocol? = null
    internal var code = -1
    internal var message: String? = null
    internal var handshake: Handshake? = null
    internal var headers: Headers.Builder
    internal var body: ResponseBody = ResponseBody.EMPTY
    internal var socket: Socket? = null
    internal var networkResponse: Response? = null

	quarkus/test-framework/junit5-internal/pom.xml
	quarkus/extensions/reactive-routes/deployment/pom.xml
	quarkus/extensions/smallrye-openapi/deployment/pom.xml
quarkus/extensions/spring-di/deployment/pom.xml
	quarkus/extensions/spring-di/runtime/pom.xml
	quarkus/extensions/arc/deployment/pom.xml
	quarkus/test-framework/junit5-internal/pom.xml
quarkus/extensions/info/deployment/pom.xml

* `docs`: Docs

 * under the License.
 */
package org.apache.maven.lifecycle.internal.builder;

import java.util.HashSet;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.lifecycle.MavenExecutionPlan;
import org.apache.maven.lifecycle.internal.ExecutionEventCatapult;
import org.apache.maven.lifecycle.internal.LifecycleDebugLogger;
import org.apache.maven.lifecycle.internal.TaskSegment;

 * limitations under the License.
 */
package okhttp3.internal.cache

import java.io.Closeable
import java.io.EOFException
import java.io.Flushable
import java.io.IOException
import okhttp3.internal.cache.DiskLruCache.Editor
import okhttp3.internal.closeQuietly
import okhttp3.internal.concurrent.Lockable
import okhttp3.internal.concurrent.Task
import okhttp3.internal.concurrent.TaskRunner

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�V2Obj��ID�<|��VA퓮*��̂�DDir�����i�I����S9զEcAlgo
�EcM�EcN�EcBSize��EcIndex
�EcDist�
�CSumAlgo
�PartNums�
�PartETags��PartSizes��	ը�PartASizes��	ը�Size�	ը�MTime�������MetaSys��x-minio-internal-replica-status�REPLICA�"x-minio-internal-replica-timestamp�2022-03-20T15:17:01.730949636Z�MetaUsr��X-Amz-Replication-Status�REPLICA�etag� 9587ddd31fead633830366f45d221d56�content-type�application/octet-stream�x-amz-storage-class�STANDARD�$��PPb�I(��e��(������...

import java.util.Arrays
import java.util.Objects
import javax.net.ssl.SSLSocket
import okhttp3.ConnectionSpec.Builder
import okhttp3.internal.concat
import okhttp3.internal.effectiveCipherSuites
import okhttp3.internal.hasIntersection
import okhttp3.internal.indexOf
import okhttp3.internal.intersect

/**
 * Specifies configuration for the socket connection that HTTP traffic travels through. For `https:`

    result = 31 * result + extensions.hashCode()
    return result
  }
}

internal data class AlgorithmIdentifier(
  /** An OID string like "1.2.840.113549.1.1.11" for sha256WithRSAEncryption. */
  val algorithm: String,
  /** Parameters of a type implied by [algorithm]. */
  val parameters: Any?,
)

internal data class AttributeTypeAndValue(
  /** An OID string like "2.5.4.11" for organizationalUnitName. */