fields/FieldTest.java:
#    0| [CompilationUnit] FieldTest
#    3|   1: [Class] FieldTest
#    4|     4: [FieldDeclaration] float ff, ...;
#    4|       -1: [TypeAccess] float
#    4|       1: [FloatingPointLiteral] 2.3f
#    5|     5: [FieldDeclaration] Object obj, ...;
#    5|       -1: [TypeAccess] Object
#    5|       0: [NullLiteral] null
#    6|     6: [FieldDeclaration] List<> l, ...;
#-----|       -2: (Annotations)
#    6|         1: [Annotation] SuppressWarnings
#    6|           1: [StringLiteral] "rawtypes"
#    6|       -1: [TypeAccess] List<>