How to use

ResponseJsonAdapter

in

org.eclipse.lsp4j.jsonrpc.json

/**
 * The prepare rename request is sent from the client to the server to setup and test the validity of a rename
 * operation at a given location.
 * 
 * Since version 3.12.0
 */
@JsonRequest
@ResponseJsonAdapter(PrepareRenameResponseAdapter.class)
default CompletableFuture<Either<Range, PrepareRenameResult>> prepareRename(TextDocumentPositionParams params) {
  throw new UnsupportedOperationException();
}

if (responseTypeAdapterAnnotation != null) {
  try {
    responseTypeAdapter = responseTypeAdapterAnnotation.value().newInstance();
  } catch (InstantiationException | IllegalAccessException e) {
    throw new RuntimeException(e);

if (responseTypeAdapterAnnotation != null) {
  try {
    responseTypeAdapter = responseTypeAdapterAnnotation.value().newInstance();
  } catch (InstantiationException | IllegalAccessException e) {
    throw new RuntimeException(e);

/**
 * The code action request is sent from the client to the server to compute
 * commands for a given text document and range. These commands are
 * typically code fixes to either fix problems or to beautify/refactor code.
 * 
 * Registration Options: TextDocumentRegistrationOptions
 */
@JsonRequest
@ResponseJsonAdapter(CodeActionResponseAdapter.class)
default CompletableFuture<List<Either<Command, CodeAction>>> codeAction(CodeActionParams params) {
  throw new UnsupportedOperationException();
}

  /**
   * The prepare rename request is sent from the client to the server to setup and test the validity of a rename
   * operation at a given location.
   * 
   * Since version 3.12.0
   */
  @JsonRequest
  @ResponseJsonAdapter(PrepareRenameResponseAdapter.class)
  default CompletableFuture<Either<Range, PrepareRenameResult>> prepareRename(TextDocumentPositionParams params) {
    throw new UnsupportedOperationException();
  }
}

/**
 * The code action request is sent from the client to the server to compute
 * commands for a given text document and range. These commands are
 * typically code fixes to either fix problems or to beautify/refactor code.
 * 
 * Registration Options: TextDocumentRegistrationOptions
 */
@JsonRequest
@ResponseJsonAdapter(CodeActionResponseAdapter.class)
default CompletableFuture<List<Either<Command, CodeAction>>> codeAction(CodeActionParams params) {
  throw new UnsupportedOperationException();
}

/**
 * The document symbol request is sent from the client to the server to list
 * all symbols found in a given text document.
 * 
 * Registration Options: TextDocumentRegistrationOptions
 */
@JsonRequest
@ResponseJsonAdapter(DocumentSymbolResponseAdapter.class)
default CompletableFuture<List<Either<SymbolInformation, DocumentSymbol>>> documentSymbol(DocumentSymbolParams params) {
  throw new UnsupportedOperationException();
}

/**
 * The document symbol request is sent from the client to the server to list all
 * symbols found in a given text document.
 * 
 * Registration Options: {@link TextDocumentRegistrationOptions}
 * 
 * <p>
 * <b>Caveat</b>: although the return type allows mixing the
 * {@link DocumentSymbol} and {@link SymbolInformation} instances into a list do
 * not do it because the clients cannot accept a heterogeneous list. A list of
 * {@code DocumentSymbol} instances is only a valid return value if the
 * {@link DocumentSymbolCapabilities#getHierarchicalDocumentSymbolSupport()
 * textDocument.documentSymbol.hierarchicalDocumentSymbolSupport} is
 * {@code true}. More details on this difference between the LSP and the LSP4J
 * can be found <a href="https://github.com/eclipse/lsp4j/issues/252">here</a>.
 * </p>
 */
@JsonRequest
@ResponseJsonAdapter(DocumentSymbolResponseAdapter.class)
default CompletableFuture<List<Either<SymbolInformation, DocumentSymbol>>> documentSymbol(DocumentSymbolParams params) {
  throw new UnsupportedOperationException();
}