@Nonnull
	public InstructionPathNode childInsn(@Nonnull AbstractInsnNode insn, int index) {
		if (isMethod())
			return new InstructionPathNode(this, insn, index);
		throw new IllegalStateException("Cannot make child for insn on non-method member");
	}
@param insn
		Instruction to wrap into node.
@param index
		Index of the instruction within the method code.

@return Path node of instruction, with the current member as parent.
recaf-core/src/main/java/software/coley/recaf/path/ClassMemberPathNode.java