boolean isAddToProgram() {
		return addToProgram;
	}
Returns true if importing to an existing program.
Importing to an existing program creates a new
set of potential conflicts. For example, memory block
may collide. When this options is true, additional
options are visible.
@return true if importing to an existing program
Ghidra/Features/Base/src/main/java/ghidra/app/util/xml/XmlProgramOptions.java