public Builder statusMs(final Long statusMs) {
            this.statusMs = statusMs;
            return this;
        }
This is a utility method to perform common parent association behaviour, e.g.
setting the effective time from the parent.

@param parent The parent to set.
@return The builder.
stroom-meta/stroom-meta-api/src/main/java/stroom/meta/api/MetaProperties.java