bufferHelper("no newlines at all", "no newlines at all");
    bufferHelper("two lines\nbut no newline at end", "two lines\n", "but no newline at end");
    bufferHelper(
        "\nempty first line\nno newline at end", "\n", "empty first line\n", "no newline at end");
    bufferHelper("three\rlines\rno newline at end", "three\r", "lines\r", "no newline at end");

import (
	"iter"
	"unicode"
	"unicode/utf8"
)

// Lines returns an iterator over the newline-terminated lines in the byte slice s.
// The lines yielded by the iterator include their terminating newlines.
// If s is empty, the iterator yields no lines at all.
// If s does not end in a newline, the final yielded line will not end in a newline.
// It returns a single-use iterator.
func Lines(s []byte) iter.Seq[[]byte] {

        }

        -1 -> {
          val lineEnd = source.indexOfElement(CRLF)
          if (lineEnd != -1L) {
            // Skip the line and newline
            source.skip(lineEnd)
            source.select(options)
          } else {
            return false // No more newlines.
          }
        }

        else -> {
          throw AssertionError()
        }
      }
    }
  }

        return inputs == null ? null : inputs.clone();
    }

    /**
     * Returns all input sequences joined with newline characters as a single string.
     * This is useful for display purposes in forms and user interfaces.
     *
     * @return string representation of all inputs separated by newlines, or empty string if inputs is null
     */
    public String getInputsValue() {
        if (inputs == null) {

                    logger.debug("Failed to process an input stream.", e);
                }
            }
        }
    }

    /**
     * Returns all buffered lines as a single string, separated by newlines.
     *
     * @return the concatenated output of all buffered lines
     */
    public String getOutput() {
        final StringBuilder buf = new StringBuilder(100);
        for (final String value : list) {

        assertTrue(result.contains("content"));
        assertTrue(result.contains("newlines"));
        assertTrue(result.contains("tabs"));
        // JSON should be properly escaped
        assertTrue(result.contains("Test"));
    }

    @Test
    public void test_toSlackMessage_withWhitespaceContent() {
        MockSMailPostingDiscloser discloser = new MockSMailPostingDiscloser();

        val blockContents = listOf("// Auto-generated by `:checkTargetRuntimes --fix`") + newTargetRuntimes

        val newLines = lines.subList(0, start + 1) +
            blockContents.map { " ".repeat(8) + it } +
            lines.subList(end, lines.size)

        return BuildFileMutation.Success(newLines.joinToString("\n"))
    }

    private fun computeExtraDetails(
        declared: Set<TargetRuntime>,

- AWS S3's [reserved keywords](https://docs.aws.amazon.com/AmazonS3/latest/dev/s3-glacier-select-sql-reference-keyword-list.html) list is not yet respected.

                }
            }
        }

        /**
         * Gets the captured output as a single string.
         * @return The captured output with newlines.
         */
        public String getOutput() {
            final StringBuilder buf = new StringBuilder(100);
            for (final String value : list) {
                buf.append(value).append("\n");

				acceptArg = false
			default:
				in.Error("bad definition for macro:", name)
			}
		}
	}
	var tokens []Token
	// Scan to newline. Backslashes escape newlines.
	for tok != '\n' {
		if tok == scanner.EOF {
			in.Error("missing newline in definition for macro:", name)
		}
		if tok == '\\' {
			tok = in.Stack.Next()
			if tok != '\n' && tok != '\\' {