in src/CodegenClassish.hack [359:376]
protected function buildMethods(HackBuilder $builder): void {
foreach ($this->methods as $method) {
$builder->ensureEmptyLine()->addRenderer($method);
}
if ($this->hasManualFooter) {
$footer_name = $this->footerName === null
? ($this->name.'_footer')
: $this->footerName;
$footer = $this->footerContents === null
? '// Insert additional methods here'
: $this->footerContents;
$builder
->ensureEmptyLine()
->startManualSection($footer_name)
->addLine($footer)
->endManualSection();
}
}