International criminal law — Genocide — International crime of genocide under customary international law — Status of jus cogens — Universal jurisdiction — Non-derogable obligations erga omnes — Convention on the Prevention and Punishment of the Crime of Genocide, 1948 — Definition of genocide — Requirement of intent to destroy — Indigenous people of Australia — Whether sponsorship of Native Title Act amendments an act of genocide — Whether failure to seek World Heritage listing of lands of Arabunna People an act of genocide — Role of Court

Relationship of international law and municipal law — Treaties — International crimes — Genocide — Whether genocide forming part of common law of Australia — Convention on the Prevention and Punishment of the Crime of Genocide, 1948, not incorporated into Australian municipal law — Customary international law — Genocide having status of jus cogens — Universal jurisdiction — Whether crime of genocide part of Australian municipal law — Incorporation doctrine — Transformation doctrine — Common law adoption approach — Legislative adoption approach — Whether municipal legislation necessary for genocide to be cognizable in Australian court — The law of Australia