internal fun Headers.commonToString(): String =
  buildString {
    for (i in 0 until size) {
      val name = name(i)
      val value = value(i)
      append(name)
      append(": ")
      append(if (isSensitiveHeader(name)) "██" else value)
      append("\n")
    }
  }

internal fun commonHeadersGet(
  namesAndValues: Array<String>,
  name: String,
): String? {

        out.append(format.normalizeFirstWord(s.substring(i, j)));
      } else {
        requireNonNull(out).append(format.normalizeWord(s.substring(i, j)));
      }
      out.append(format.wordSeparator);
      i = j + wordSeparator.length();
    }
    return (i == 0)
        ? format.normalizeFirstWord(s)
        : requireNonNull(out).append(format.normalizeWord(s.substring(i))).toString();
  }

        StringBuilder sb = new StringBuilder("LeaseKey[");
        for (int i = 0; i < key.length; i++) {
            if (i > 0) {
                sb.append(' ');
            }
            sb.append(String.format("%02X", key[i] & 0xFF));
        }
        sb.append(']');
        return sb.toString();
    }

    // Double.toString(Math.PI).length() == 17
    StringBuilder b = new StringBuilder((17 + 2) * (iMax + 1));
    b.append('[');
    for (int i = 0; ; i++) {
      b.append(longBitsToDouble(longs.get(i)));
      if (i == iMax) {
        return b.append(']').toString();
      }
      b.append(',').append(' ');
    }
  }

  /**
   * Saves the state to a stream (that is, serializes it).
   *

            sb.append("The option ");
            if (option.getOpt() != null) {
                sb.append("-").append(option.getOpt());
            }
            if (option.getLongOpt() != null) {
                if (option.getOpt() != null) {
                    sb.append(",");
                }
                sb.append("--").append(option.getLongOpt());
            }

            // buffer, then append it with a preceding space...again, not sure what else to
            // do other than collapse whitespace.
            // NOTE: The case of a trailing quote is handled by nullifying the arg buffer.
            if (!addedToBuffer) {
                if (currentArg != null) {
                    currentArg.append(' ').append(arg);
                } else {

            long total = entry.getKey().getContentLength();
            long complete = entry.getValue();

            buffer.append(getStatus(complete, total)).append("  ");
        }

        int pad = lastLength - buffer.length();
        lastLength = buffer.length();
        pad(buffer, pad);
        buffer.append('\r');

        print("transferProgressed", buffer.toString());
    }

            StringBuilder sb = new StringBuilder("Allocation stack trace:\n");
            for (StackTraceElement element : holder.allocationStackTrace) {
                sb.append("\tat ").append(element).append("\n");
            }
            log.debug(sb.toString());
        }
    }

    /**
     * Report a confirmed resource leak
     */
    private void reportLeak(ResourceHolder holder) {

        @Test
        @DisplayName("Should append referral data")
        void testAppend() {
            DfsReferralDataInternal toAppend = mock(DfsReferralDataInternal.class);

            // Test with mock
            doNothing().when(mockReferralData).append(toAppend);
            mockReferralData.append(toAppend);
            verify(mockReferralData, times(1)).append(toAppend);

			for k := range mg.ExtraLabels {
				commonLabels = append(commonLabels, k)
			}
			for _, d := range mg.Descriptors {
				labels := slices.Clone(d.VariableLabels)
				labels = append(labels, commonLabels...)
				metric := metricDisplay{
					Name:   mg.MetricFQN(d.Name),
					Help:   d.Help,
					Type:   d.Type.String(),
					Labels: labels,
				}
				metrics = append(metrics, metric)
			}
		}
	}