/**
     * Add a header line without any validation. Only appropriate for headers from the remote peer
     * or cache.
     */
    internal fun addLenient(line: String) =
      apply {
        val index = line.indexOf(':', 1)
        when {
          index != -1 -> {
            addLenient(line.substring(0, index), line.substring(index + 1))
          }
          line[0] == ':' -> {

                    } else if (line.startsWith(customPromptLiteralStart)) {
                        saveBuffer();
                        const promptStart = line.indexOf(promptLiteralStart);
                        if (promptStart === -1) {
                            console.error("Custom prompt found but no end delimiter", line)
                        }

    }

    /**
     * Strips comments from a line (everything after '#' character).
     * @param line the line to strip comments from
     * @return the line without comments
     */
    protected String stripComment(final String line) {
        final int commentIndex = line.indexOf('#');
        if (commentIndex != -1) {
            return line.substring(0, commentIndex);
        }
        return line;
    }

                regex.find(line)?.let {
                    dependencies.add(replaceProjectDependency(line.trim()))
                }
            }
        }
        return dependencies
    }

    private fun replaceProjectDependency(line: String): String {
        val projectDependencyRegex = Regex("""project\(["']([^"']+)["']\)""")
        return line.replace(projectDependencyRegex) { match ->

            }
        }

        /**
         * Writes a raw line of text to the temporary file.
         *
         * @param line the line of text to write
         */
        public void write(final String line) {
            try {
                writer.write(line);
                writer.write(Constants.LINE_SEPARATOR);
            } catch (final IOException e) {

// 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] {
	return func(yield func([]byte) bool) {
		for len(s) > 0 {
			var line []byte
			if i := IndexByte(s, '\n'); i >= 0 {
				line, s = s[:i+1], s[i+1:]
			} else {
				line, s = s, nil
			}
			if !yield(line[:len(line):len(line)]) {
				return
			}
		}
	}
}

    private static final class Snippet {
        final int line;       // line of the [.multi-language-sample] header
        final Language lang;  // best-effort deduction (UNKNOWN allowed)

        Snippet(int line, Language lang) {
            this.line = line;
            this.lang = lang;
        }
    }

    private static final class Error {
        final int line;
        final String message;

		}
	}
	in.Push(NewTokenizer(name, fd, fd))
}

// #line processing.
func (in *Input) line() {
	// Only need to handle Plan 9 format: #line 337 "filename"
	tok := in.Stack.Next()
	if tok != scanner.Int {
		in.expectText("expected line number after #line")
	}
	line, err := strconv.Atoi(in.Stack.Text())
	if err != nil {
		in.Error("error parsing #line (cannot happen):", err)
	}
	tok = in.Stack.Next()

    }

    /**
     * Checks if the buffer contains a line that matches the specified value (after trimming).
     *
     * @param value the value to search for in the buffered lines
     * @return true if a matching line is found, false otherwise
     */
    public boolean contains(final String value) {
        for (final String line : list) {
            if (line.trim().equals(value)) {
                return true;

			j++
		} else {
			j--
		}
		line := tmp.String() // We use the string-valued token here, for variety.
		if s.Text() != line {
			t.Errorf("%d: bad line: %d %d\n%.100q\n%.100q\n", lineNum, len(s.Bytes()), len(line), s.Text(), line)
		}
	}
	err := s.Err()
	if err != nil {
		t.Fatal(err)
	}
}

// Test that the line splitter errors out on a long line.
func TestScanLineTooLong(t *testing.T) {