void setDefaultFollowOnLocation(boolean state) {
		defaultFollowOnLocation = state;
	}
Add memory reference

@param fromCodeUnit
@param opIndex
@param toAddr
@param isOffsetRef
@param offset
@param refType
@return true if add was successful
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/references/ReferencesPlugin.java