src/Server.php
public function setTrustedCAs(array $CAs): self
    {
        $this->verifyCA = true;
        $this->trustedCAs = $CAs;
        return $this;
    }
public function setTrustedCAs(array $CAs): self
    {
        $this->verifyCA = true;
        $this->trustedCAs = $CAs;
        return $this;
    }
public function setTrustedCAs ( array $ CAs ) : self { $ this -> verifyCA = true ; $ this -> trustedCAs = $ CAs ; return $ this ; }
Provides a list of CA certificates for device issuer verification during
registration.

This method or disableCAVerification must be called before register() or
a SecurityException will always be thrown.

@param string[] $CAs A list of file paths to device issuer CA certs
@return self
Provides a list of CA certificates for device issuer verification during registration .