### 3.1 Automatic removal of non current objects versions

A non-current object version is a version which is not the latest for a given object. It is possible to set up an automatic removal of non-current versions when a version becomes older than a given number of days.

e.g., To scan objects stored under `user-uploads/` prefix and remove versions older than one year.

```
{

### 2. Create a new user with canned policy

Use [`mc admin policy`](https://docs.min.io/community/minio-object-store/reference/minio-mc-admin/mc-admin-policy.html) to create canned policies. Server provides a default set of canned policies namely `writeonly`, `readonly` and `readwrite` *(these policies apply to all resources on the server)*. These can be overridden by custom policies using `mc admin policy` command.

        fileAuthenticationBhv.delete(fileAuthentication, op -> {
            op.setRefreshPolicy(Constants.TRUE);
        });

    }

    /**
     * Sets up the search conditions for retrieving file authentication configurations.
     * This method configures the query conditions and ordering for the database query.
     *
     * @param cb the condition bean for building the query

        this.fid = fid;
        this.count = len;
        this.offset = offset;
        this.remaining = remaining;
        this.b = b;
        this.off = off;
    }

    /**
     * Sets the parameters for this write request.
     *
     * @param fid the file identifier
     * @param offset the file offset at which to write
     * @param remaining the number of bytes remaining to be written

        this.configuration = configuration;
        this.configurationElement = element;
        return this;
    }

    /**
     * Sets the configuration to the configuration taken from the specified build plugin in the POM. First, the build
     * plugins will be searched for the specified plugin, if that fails, the plugin management section will be searched.
     *

  ): Thread =
    Thread {
      val url = mockWebServer.url(path).toUrl()
      val conn: HttpURLConnection
      try {
        conn = url.openConnection() as HttpURLConnection
        responseCode.set(conn.responseCode) // Force the connection to hit the "server".
      } catch (ignored: IOException) {
      }
    }

        Field field = DefaultArtifactDescriptorReader.class.getDeclaredField("repositoryEventDispatcher");
        field.setAccessible(true);
        field.set(reader, eventDispatcher);

        ArtifactDescriptorRequest request = new ArtifactDescriptorRequest();

        request.addRepository(newTestRepository());

/**
 * A core extension to monitor Maven's execution. Typically, such an extension gets loaded into Maven by specifying the
 * property {@code maven.ext.class.path} on the command line. As soon as dependency injection is set up, Maven
 * looks up all implementers of this interface and calls their {@link #init(Context)} method. Note:
 * Implementors are strongly advised to inherit from {@link AbstractEventSpy} instead of directly implementing this

    /**
     * These two booleans are used to mark the state as ready to start.
     *
     * <p>{@link #ready}: is set by {@link #markReady} to indicate that all listeners have been
     * correctly installed
     *
     * <p>{@link #transitioned}: is set by {@link #transitionService} to indicate that some
     * transition has been performed.
     *

   * {@code co.uk}, {@code google.invalid}, or {@code blogspot.com}.
   *
   * <p>This method can be used to determine whether it will probably be possible to set cookies on
   * the domain, though even that depends on individual browsers' implementations of cookie
   * controls. See <a href="http://www.ietf.org/rfc/rfc2109.txt">RFC 2109</a> for details.
   *
   * @since 6.0
   */