'; } public function header() { return '
$company_logo
$entity_labels
$entity_details
'; } public function body() { return '

$entity_label

$client_details

$from_label:

$company_details
$product_table_header $product_table_body
$task_table_header $task_table_body
'; } public function task() { return ''; } public function product() { return ''; } public function footer() { return '

$entity.public_notes

$discount_label $total_tax_labels $line_tax_labels
$discount $total_tax_values $line_tax_values

$terms_label

$terms

$balance_due_label

$balance_due

'; } }