public Builder lastObservedTime(@Nullable Output<String> lastObservedTime) {
            $.lastObservedTime = lastObservedTime;
            return this;
        }
@param lastObservedTime lastObservedTime is the time when last Event from the series was seen before last heartbeat.

@return builder
sdk/java/src/main/java/com/pulumi/kubernetes/events/v1/inputs/EventSeriesPatchArgs.java