src/Kernel/Application.php
public function registerCoreContainerAliases()
    {
        // Prepare Facades
        Facade::clearResolvedInstances();
        Facade::setApplication($this);

        foreach ($this->registerCoreAliases as $key => $alias) {
            $this->alias($key, $alias);
            if (! class_exists($key)) {
                class_alias($alias, $key);
            }
        }
    }
public function registerCoreContainerAliases()
    {
        // Prepare Facades
        Facade::clearResolvedInstances();
        Facade::setApplication($this);

        foreach ($this->registerCoreAliases as $key => $alias) {
            $this->alias($key, $alias);
            if (! class_exists($key)) {
                class_alias($alias, $key);
            }
        }
    }
Register the core class aliases in the container.

@return void