client = $client; return $this; } public function setTaxData(Response $tax_data): self { $this->tax_data = $tax_data; return $this; } public function tax($product_tax_type): self { return $this; } public function taxByType($product_tax_type): self { return $this; } public function taxReduced(): self { return $this; } public function taxExempt(): self { return $this; } public function taxDigital(): self { return $this; } public function taxService(): self { return $this; } public function taxShipping(): self { return $this; } public function taxPhysical(): self { return $this; } public function default(): self { return $this; } public function override(): self { return $this; } public function calculateRates(): self { return $this; } }