public void setNumPreInstructions(int numPreInstructions) {
		this.numPreInstructions = numPreInstructions;
	}
Set the number of instructions gathered immediately before (but not including) a function start

@param numPreInstructions number of instructions
Ghidra/Features/BytePatterns/src/main/java/ghidra/bitpatterns/info/FileBitPatternInfo.java