Comparing source compatibility of  against 
**** MODIFIED CLASS: PUBLIC ABSTRACT io.opentelemetry.sdk.metrics.InstrumentSelector  (not serializable)
	===  CLASS FILE FORMAT VERSION: 52.0 <- 52.0
	+++* NEW METHOD: PUBLIC(+) ABSTRACT(+) java.lang.String getInstrumentUnit()
		+++  NEW ANNOTATION: javax.annotation.Nullable
***  MODIFIED CLASS: PUBLIC FINAL io.opentelemetry.sdk.metrics.InstrumentSelectorBuilder  (not serializable)
	===  CLASS FILE FORMAT VERSION: 52.0 <- 52.0
	+++  NEW METHOD: PUBLIC(+) io.opentelemetry.sdk.metrics.InstrumentSelectorBuilder setUnit(java.lang.String)