T - The response type@FunctionalInterface
public static interface AcpClient.SyncRequestHandler<T>
AcpClientSession.RequestHandler, this interface returns the response
directly without wrapping in Mono, making it natural for blocking I/O operations.
Use with AcpClient.SyncSpec builder methods to register handlers that don't
require reactive programming patterns.
T handle(java.lang.Object params)
params - The raw request parameters (requires unmarshalling)