default boolean isRead(long snap) {
		return getFlags(snap).contains(TraceMemoryFlag.READ);
	}
Check if the {@link TraceMemoryFlag#READ} flag is present

@param snap the snap
@return true if present, false if absent
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/model/memory/TraceMemoryRegion.java