Relaxing constraint on state fields branches duration onEvents

The example swf can be applied , the error is

The KogitoServerlessWorkflow "greeting" is invalid:

• spec.states[0].branches: Required value
• spec.states[0].duration: Required value
• spec.states[0].onEvents: Required value
• spec.states[1].branches: Required value
• spec.states[1].duration: Required value
• spec.states[1].onEvents: Required value
• spec.states[2].branches: Required value
• spec.states[2].duration: Required value
• spec.states[2].onEvents: Required value
• spec.states[3].branches: Required value
• spec.states[3].duration: Required value
• spec.states[3].onEvents: Required value
• spec.states[4].branches: Required value
• spec.states[4].duration: Required value
• spec.states[4].onEvents: Required value