{
  "targets": [{
    "target_name": "hello_world",
    "sources": ["hello_world.cc"]
  }, {
    "target_name": "accumulate",
    "sources": ["accumulate.cc"]
  }, {
    "target_name": "person",
    "sources": ["person.cc"]
  }, {
    "target_name": "accumulator",
    "sources": ["accumulator.cc"]
  }, {
    "target_name": "accumulate_async",
    "sources": ["accumulate_async.cc"]
  }]
}