Example.java:
#    0| [CompilationUnit] Example
#-----|   -1: (Imports)
#    1|     1: [ImportType] import Set
#    2|     2: [ImportType] import List
#    4|   1: [Interface] Example
#-----|     -2: (Generic Parameters)
#    4|       0: [TypeVariable] A
#-----|     -1: (Base Types)
#    4|       0: [TypeAccess] Set<List<A>>
#    4|         0: [TypeAccess] List<A>
#    4|           0: [TypeAccess] A
#    5|     1: [Interface] InnerExample
#-----|       -1: (Base Types)
#    5|         0: [TypeAccess] Example<Set<>>
#    5|           0: [TypeAccess] Set<>