@Override
	public DataType toDataType() throws DuplicateNameException, IOException {
		Structure structure = new StructureDataType(
			ArtMethodGroup.class.getSimpleName() + "_" + methodCount, 0);
		structure.setCategoryPath(new CategoryPath("/art"));
		if (pointerSize == 8) {
			structure.add(QWORD, "methodCount", null);
		}
		else if (pointerSize == 4) {
			structure.add(DWORD, "methodCount", null);
		}
		for (int i = 0; i < methodCount; ++i) {
			structure.add(methodList.get(i).toDataType(), "method_" + i, null);
		}
		return structure;
	}
https://android.googlesource.com/platform/art/+/refs/heads/android10-release/runtime/art_method.h

NOTE: this class does not exist, was created to make method reading easier.
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/android/art/ArtMethodGroup.java