public void setNumReturnBytes(int numReturnBytes) {
		this.numReturnBytes = numReturnBytes;
	}
Set the number of return bytes, i.e., the number of bytes gathered immediately before
(and including) a return instruction.
@param numReturnBytes number of return bytes
Ghidra/Features/BytePatterns/src/main/java/ghidra/bitpatterns/info/FileBitPatternInfo.java