public DebugInfoEntry getParent() {
		return getProgram().getParentOf(dieIndex);
	}
Get the parent DIE of this DIE.

@return the parent DIE, or null if this DIE is the root of the compilation unit
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/dwarf/DebugInfoEntry.java