@Override
	public boolean isParameterOffset(int offset) {
		return (growsNegative && offset >= paramStart) || (!growsNegative && offset < paramStart);
	}
Gets the number of parameters in the stack frame regardless
of the direction the stack grows in.

@return the number of parameters in the stack frame.
Ghidra/Features/Base/src/main/java/ghidra/util/StackFrameImpl.java