public RolloutOptions withFallback ( final RolloutOptions that ) { return RolloutOptions . newBuilder ( ) . setTimeout ( firstNonNull ( timeout , that . timeout ) ) . setParallelism ( firstNonNull ( parallelism , that . parallelism ) ) . setMigrate ( firstNonNull ( migrate , that . migrate ) ) . setOverlap ( firstNonNull ( overlap , that . overlap ) ) . setToken ( firstNonNull ( token , that . token ) ) . setIgnoreFailures ( firstNonNull ( ignoreFailures , that . ignoreFailures ) ) . build ( ) ; }
Return a new RolloutOptions instance by merging this instance with another one .