<?php
 
 namespace Illuminate\Contracts\Container;
 
 interface ContextualBindingBuilder
 {
     /**
      * Define the abstract target that depends on the context.
      *
      * @param  string  $abstract
      * @return $this
      */
     public function needs($abstract);
 
     /**
      * Define the implementation for the contextual binding.
      *
      * @param  \Closure|string  $implementation
      * @return void
      */
     public function give($implementation);
 }