if (!source.isEmpty()) {
          return false;
        }
      }
      return true;
    }

    @Override
    public Optional<Long> lengthIfKnown() {
      long result = 0L;
      for (CharSource source : sources) {
        Optional<Long> lengthIfKnown = source.lengthIfKnown();
        if (!lengthIfKnown.isPresent()) {
          return Optional.absent();
        }

       "s3:GetBucketLocation",
       "s3:GetBucketVersioning"
      ],
      "Resource": [
       "arn:aws:s3:::bucket"
      ]
     }
    ]
   }
EOF
mc admin policy create source repladmin-policy ./repladmin-policy-source.json
cat ./repladmin-policy-source.json

#assign this replication policy to repladmin
mc admin policy attach source repladmin-policy --user=repladmin

### on dest alias

    // We don't want this to be parseable...it's sort of 'hidden'
    // default source for this profile is in the pom itself.
    private String source = SOURCE_POM;

    public void setSource(String source) {
        this.source = source;
    }

    public String getSource() {
        return source;
    }

    /**
     * @see java.lang.Object#toString()
     */

    /**
     * Gets the installation settings source.
     *
     * @return the installation settings source or {@code null} if none
     */
    @Nonnull
    Optional<Source> getInstallationSettingsSource();

    /**
     * Gets the project settings source.
     *
     * @return the project settings source or {@code null} if none
     */
    @Nonnull
    Optional<Source> getProjectSettingsSource();

    /**

        ModelSource source = Sources.resolvedSource(path, modelId);

        assertNotNull(source);
        assertEquals(modelId, source.getModelId(), "Resolved source should return the provided modelId");
        assertNull(source.getPath(), "Resolved sources should return null for getPath()");
        assertEquals(path.toString(), source.getLocation());
    }

    @Test

		resource := "test"
		runtime.GOMAXPROCS(gomaxprocs)
		// Number of active readers + 10000 * number of active writers.
		var activity int32
		cdone := make(chan bool)
		go writer(resource, numIterations, &activity, cdone)
		var i int
		for i = 0; i < numReaders/2; i++ {
			go reader(resource, numIterations, &activity, cdone)
		}
		go writer(resource, numIterations, &activity, cdone)

     * then the behavior depends on the {@code ProjectManager} implementation.
     * It may do nothing or thrown {@linkplain IllegalArgumentException}.
     *
     * @param project the project to update
     * @param source the source to add
     * @throws IllegalArgumentException if this project manager rejects the given source because of conflict
     *

 *   <li>Resolved sources: Used for artifacts that have been resolved by Maven from repositories
 *       (using groupId:artifactId:version coordinates) and downloaded to the local repository.
 *       These sources do not support resolving other sources.</li>
 * </ul>
 *
 * @since 4.0.0
 * @see Source
 */
public interface ModelSource extends Source {

    /**

Fess is an Enterprise Search Server built on OpenSearch. It's a Java-based web application that crawls and indexes documents from various sources and provides full-text search capabilities.

## Development Commands

### Setup
```bash
# Download OpenSearch plugins (required before first build)
mvn antrun:run

# Generate DBFlute source code (when schema changes)
mvn dbflute:download  # One-time setup
mvn dbflute:freegen
mvn license:format
```

    assertEquals(STRING.length(), source.copyTo(sink));
    assertTrue(source.wasStreamOpened() && source.wasStreamClosed());
    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());

    assertEquals(STRING, sink.getString());
  }

  public void testRead_toString() throws IOException {
    assertEquals(STRING, source.read());
    assertTrue(source.wasStreamOpened() && source.wasStreamClosed());
  }