public void setVelocityEngine(final VelocityEngine newVelocityEngine) {
        ComponentSupport.ifInitializedThrowUnmodifiabledComponentException(this);
        ComponentSupport.ifDestroyedThrowDestroyedComponentException(this);
        velocityEngine = newVelocityEngine;
    }
Set the VelocityEngine instance.

@param newVelocityEngine the new VelocityEngine instane
pac4j-saml/src/main/java/org/pac4j/saml/transport/Pac4jHTTPPostEncoder.java