}
	xhttp.DrainBody(resp.Body)
	return !resp.IsError(), nil
}

func (c *esClientV7) entryExists(ctx context.Context, index string, key string) (bool, error) {
	res, err := c.Exists(
		index,
		key,
		c.Exists.WithContext(ctx),
	)
	if err != nil {
		return false, err
	}
	xhttp.DrainBody(res.Body)
	return !res.IsError(), nil
}

    /**
     * @return whether signature verification failed
     */
    boolean isVerifyFailed ();


    /**
     * 
     * @return whether the response is an error
     */
    boolean isError ();


    /**
     * Set error status
     */
    void error ();


    /**
     * 
     * @return the message timeout
     */
    Long getExpiration ();


    /**

    public final boolean isReceived () {
        return this.received;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Response#isError()
     */
    @Override
    public final boolean isError () {
        return this.error;
    }


    /**
     * @return whether the packet has been signed.
     */
    public boolean isSigned () {

        return this.exception;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Response#isError()
     */
    @Override
    public boolean isError () {
        return this.isError;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.util.transport.Response#getRawPayload()
     */
    @Override

        this.why = why;
    }

    public String getError() {
        return error;
    }

    public void setError(String error) {
        this.error = error;
    }

    public boolean isError() {
        return error == null;
    }

    public String getDependencyConflictId() {
        return groupId + ":" + artifactId;
    }

            continue DRAINING;
          } else if (endOfInput) { // (b)
            doneEncoding = true;
          } else { // (c)
            readMoreChars();
          }
        } else if (result.isError()) {
          // Only reach here if a CharsetEncoder with non-REPLACE settings is used.
          result.throwException();
          return 0; // Not called.
        }
      }
    }
  }

            continue DRAINING;
          } else if (endOfInput) { // (b)
            doneEncoding = true;
          } else { // (c)
            readMoreChars();
          }
        } else if (result.isError()) {
          // Only reach here if a CharsetEncoder with non-REPLACE settings is used.
          result.throwException();
          return 0; // Not called.
        }
      }
    }
  }

                        throw new SmbAuthException("Login failed", e);
                    }
                    else if ( !sessResponse.isReceived() || sessResponse.isError() || ( sessResponse.getStatus() != NtStatus.NT_STATUS_OK
                            && sessResponse.getStatus() != NtStatus.NT_STATUS_MORE_PROCESSING_REQUIRED ) ) {
                        throw e;
                    }

                        // tree connect might still have succeeded
                        response = (TreeConnectResponse) request.getResponse();
                        if ( response.isReceived() && !response.isError() && response.getErrorCode() == NtStatus.NT_STATUS_OK ) {
                            if ( !transport.isDisconnected() ) {
                                treeConnected(transport, sess, response);
                            }

                        catch ( SmbException e ) {
                            Smb2IoctlResponse response = copy.getResponse();
                            if ( !retry && response.isReceived() && !response.isError()
                                    && response.getStatus() == NtStatus.NT_STATUS_INVALID_PARAMETER ) {
                                retry = true;