private String rpcHttpAuthenticationCredentialsFile(final CommandLine commandLine) {
    final String filename = rpcHttpAuthenticationCredentialsFile;

    if (filename != null) {
      RpcAuthFileValidator.validate(commandLine, filename, "HTTP");
    }
    return filename;
  }
Checks dependencies between options.

@param logger Logger instance
@param commandLine CommandLine instance
app/src/main/java/org/hyperledger/besu/cli/options/JsonRpcHttpOptions.java