public int getInterfacesCount() {
		return interfacesCount & 0xffff;
	}
The value of the interfaces_count item gives the number of direct
superinterfaces of this class or interface type.
@return the number of direct superinterfaces of this class
Ghidra/Processors/JVM/src/main/java/ghidra/javaclass/format/ClassFileJava.java