Diamond.java:
#    0| [CompilationUnit] Diamond
#-----|   -1: (Imports)
#    3|     1: [ImportType] import ArrayList
#    4|     2: [ImportType] import HashMap
#    5|     3: [ImportType] import List
#    6|     4: [ImportType] import Map
#    8|   1: [Class] Diamond
#   10|     3: [FieldDeclaration] List<Integer> list;
#   10|       -1: [TypeAccess] List<Integer>
#   10|         0: [TypeAccess] Integer
#   10|       0: [ClassInstanceExpr] new ArrayList<Integer>(...)
#   10|         -3: [TypeAccess] ArrayList<Integer>
#   10|           0: [TypeAccess] Integer
#   11|     4: [FieldDeclaration] Map<String,Object> map;
#   11|       -1: [TypeAccess] Map<String,Object>
#   11|         0: [TypeAccess] String
#   11|         1: [TypeAccess] Object
#   11|       0: [ClassInstanceExpr] new HashMap<String,Object>(...)
#   11|         -3: [TypeAccess] HashMap<String,Object>
#   11|           0: [TypeAccess] String
#   11|           1: [TypeAccess] Object
#   14|     5: [FieldDeclaration] List<Integer> diamond_list;
#   14|       -1: [TypeAccess] List<Integer>
#   14|         0: [TypeAccess] Integer
#   14|       0: [ClassInstanceExpr] new ArrayList<Integer>(...)
#   14|         -3: [TypeAccess] ArrayList<Integer>
#   15|     6: [FieldDeclaration] Map<String,Object> diamond_map;
#   15|       -1: [TypeAccess] Map<String,Object>
#   15|         0: [TypeAccess] String
#   15|         1: [TypeAccess] Object
#   15|       0: [ClassInstanceExpr] new HashMap<String,Object>(...)
#   15|         -3: [TypeAccess] HashMap<String,Object>
#   18|     7: [FieldDeclaration] List<> l;
#   18|       -1: [TypeAccess] List<>
#   18|       0: [ClassInstanceExpr] new ArrayList<>(...)
#   18|         -3: [TypeAccess] ArrayList<>
#   19|     8: [FieldDeclaration] Error e;
#   19|       -1: [TypeAccess] Error
#   19|       0: [ClassInstanceExpr] new Error(...)
#   19|         -3: [TypeAccess] Error