                 stage('Stage A0') {                     steps {                          sleep( time: 0, unit: 'SECONDS' )                     }                 }                 stage('Stage A0') {                     steps {                          sleep( time: 0, unit: 'SECONDS' )                     }                 }                 stage('Stage A0') {                     steps {                          sleep( time: 0, unit: 'SECONDS' )                     }                 }             }         }     } }  