1; Only produce one embedding for the entire file.
 2(document) @item
 3
 4; Collapse arrays, except for the first object.
 5(array
 6  "[" @keep
 7  .
 8  (object)? @keep
 9  "]" @keep) @collapse
10
11; Collapse string values (but not keys).
12(pair value: (string
13  "\"" @keep
14  "\"" @keep) @collapse)