src/Manager.php
public function getPendingBinaries()
    {
        return $this->getBinaries(function (BinaryInterface $binary) {
            $exists = $binary->exists($this->getInstallPath());
            $supported = $binary->isSupported();
            return $supported && !$exists;
        });
    }
public function getPendingBinaries()
    {
        return $this->getBinaries(function (BinaryInterface $binary) {
            $exists = $binary->exists($this->getInstallPath());
            $supported = $binary->isSupported();
            return $supported && !$exists;
        });
    }
Pending binaries are binaries that are supported but have not been installed.

@return array