private final CoreExtensionEntry extension;
    private final UnaryOperator<String> callback;

    private final DefaultInterpolator interpolator = new DefaultInterpolator();

    public ExtensionConfigurationModule(CoreExtensionEntry extension, UnaryOperator<String> callback) {
        this.extension = extension;
        this.callback = callback;
    }

    @Override

                extensions.add(createExtension(extension, artifacts));
            }
        }

        return Collections.unmodifiableList(extensions);
    }

    private CoreExtensionEntry createExtension(CoreExtension extension, List<Artifact> artifacts) throws Exception {
        String realmId = "coreExtension>" + extension.getGroupId() + ":" + extension.getArtifactId() + ":"
                + extension.getVersion();

                extensions.add(new LoadedCoreExtension(extension, createExtension(extension, artifacts)));
            }
        }

        return Collections.unmodifiableList(extensions);
    }

    private CoreExtensionEntry createExtension(CoreExtension extension, List<Artifact> artifacts) throws Exception {
        String realmId = "coreExtension>" + extension.getGroupId() + ":" + extension.getArtifactId() + ":"

 * Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits=15
 * Sec-WebSocket-Extensions: permessage-deflate; client_no_context_takeover
 * Sec-WebSocket-Extensions: permessage-deflate; server_max_window_bits="15"
 * Sec-WebSocket-Extensions: permessage-deflate; server_max_window_bits=15
 * Sec-WebSocket-Extensions: permessage-deflate; server_no_context_takeover
 * Sec-WebSocket-Extensions: permessage-deflate; server_no_context_takeover;

            task.from(extension.getReleaseNotes().getRenderedDocumentation());

            // release notes assets go into $root/$assetsName/
            task.from(extension.getReleaseNotes().getReleaseNotesAssets(), sub -> sub.into(extension.getReleaseNotes().getReleaseNotesAssets().map(dir -> dir.getAsFile().getName())));

            // DSL reference goes into dsl/

import org.codelibs.opensearch.extension.analysis.KanjiNumberFilterFactory;
import org.codelibs.opensearch.extension.analysis.NGramSynonymTokenizerFactory;
import org.codelibs.opensearch.extension.analysis.NumberConcatenationFilterFactory;
import org.codelibs.opensearch.extension.analysis.PatternConcatenationFilterFactory;
import org.codelibs.opensearch.extension.analysis.PosConcatenationFilterFactory;

		}
		if testCase.expectedKey.Extension != key.Extension {
			t.Fatalf("case[%v]: Expected key.Extension: %v, got %v", i, testCase.expectedKey.Extension, key.Extension)
		}
		if testCase.expectedKey.ItemCount != key.ItemCount {
			t.Fatalf("case[%v]: Expected key.ItemCount: %v, got %v", i, testCase.expectedKey.ItemCount, key.ItemCount)
		}

            this.classifier = classifier;
            return this;
        }

        public ArtifactFactoryRequestBuilder extension(String extension) {
            this.extension = extension;
            return this;
        }

        public ArtifactFactoryRequestBuilder type(String type) {
            this.type = type;
            return this;
        }

    /**
     * The artifact ID of the extension.
     */
    private String artifactId;

    /**
     * The version of the extension.
     */
    private String version;

    /**
     * The class loading strategy: 'self-first' (the default),
     * 'parent-first' (loads classes from the parent, then from the
     * extension) or 'plugin' (follows the rules from extensions
     * defined as plugins).
     */

            this.classifier = classifier;
            return this;
        }

        public ArtifactFactoryRequestBuilder extension(String extension) {
            this.extension = extension;
            return this;
        }

        public ArtifactFactoryRequestBuilder type(String type) {
            this.type = type;
            return this;
        }