Java in a Nutshell, 5th Edition [Electronic resources]

This abstract class defines the Service Provider Interface for the CertPathBuilder. Security providers must implement this interface, but applications never need to use it.

public abstract class 
CertPathBuilderSpi  {
// Public Constructors
public 
CertPathBuilderSpi ( );  
// Public Instance Methods
public abstract CertPathBuilderResult 
engineBuild (CertPathParameters 
params ) 
throws CertPathBuilderException, 
java.security.InvalidAlgorithmParameterException;  
}

Passed To

CertPathBuilder.CertPathBuilder( )