out = append(out, &ast.Comment{
				Slash: slash,
				Text:  c.Text,
			})
		}
	}
	return out
}

// isDirective reports whether c is a comment directive.
// See go.dev/issue/37974.
// This code is also in go/ast.
func isDirective(c string) bool {
	// "//line " is a line directive.
	// "//extern " is for gccgo.
	// "//export " is for cgo.
	// (The // has been removed.)

	{"go:x*", true},
	{"export foo", true},
	{"extern foo", true},
	{"expert foo", false},
}

func TestIsDirective(t *testing.T) {
	for _, tt := range isDirectiveTests {
		if ok := isDirective(tt.in); ok != tt.ok {
			t.Errorf("isDirective(%q) = %v, want %v", tt.in, ok, tt.ok)
		}
	}

	if n > 0 && lines[n-1] != "" {
		lines = append(lines, "")
	}

	return strings.Join(lines, "\n")
}

// isDirective reports whether c is a comment directive.
// This code is also in go/printer.
func isDirective(c string) bool {
	// "//line " is a line directive.
	// "//extern " is for gccgo.
	// "//export " is for cgo.
	// (The // has been removed.)

ManifestHeaderValue$ManifestHeaderParser { private final String header; private int length; private StringBuffer buffer; private int pos; private char c; private ManifestHeaderElemen elem; private boolean valuesParsed; private String paramName; private boolean isDirective; void ManifestHeaderValue$ManifestHeaderParser(ManifestHeaderValue, String); final void parse(); private char readNext(); private void error(String); private static void error(String, int); private void endValue(); private void endParameterValue();...