28 lines
451 B
PHP
28 lines
451 B
PHP
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<?php
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namespace App\Interfaces;
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use Illuminate\Support\Collection;
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interface ProductSupplier {
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/**
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* Return the traffic inclusion with the service
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*
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* @return mixed
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*/
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public function allowance(): Collection;
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/**
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* Render the traffic inclusion as a string
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*
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* @return mixed
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*/
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public function allowance_string(): string;
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/**
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* Return the product cost
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*
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* @return float
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*/
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public function getCostAttribute(): float;
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}
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