src/main/java/com/google/firebase/database/connection/PersistentConnectionImpl.java (5 lines):
	- line 194: // TODO: Fix this somehow?
	- line 260: // TODO: this is a hack. Make the json parser give us a Long
	- line 270: // TODO: log the error? probably shouldn't throw here...
	- line 327: // TODO: fix this by understanding query params?
	- line 705: // TODO: implement on iOS too


src/main/java/com/google/firebase/database/core/persistence/DefaultPersistenceManager.java (3 lines):
	- line 120: // TODO: This could probably be optimized.
	- line 225: // TODO: In the future we may want to try to prune the no-longer-tracked keys.
	- line 236: // TODO: In the future we may want to try to prune the no-longer-tracked keys.


src/main/java/com/google/firebase/database/core/view/ViewProcessor.java (3 lines):
	- line 210: // TODO: figure out how this plays with "sliding ack windows"
	- line 433: // TODO: I consider an item "in view" if cacheHasChild is true, which checks both the server
	- line 487: // TODO: I consider an item "in view" if cacheHasChild is true, which checks both the server


src/main/java/com/google/firebase/database/core/Repo.java (2 lines):
	- line 423: // TODO: DatabaseReference.CompleteionListener isn't really appropriate (the DatabaseReference
	- line 1035: // TODO: In the future, perhaps this should just be KeyIndex?


src/main/java/com/google/firebase/database/core/SyncPoint.java (2 lines):
	- line 124: // TODO: make writesCache take flag for complete server node
	- line 234: // TODO: iOS doesn't have this loadsAllData() case and I'm not sure it makes sense... but


src/main/java/com/google/firebase/auth/internal/FirebaseCustomAuthToken.java (1 line):
	- line 75: * <p>TODO: Come up with a solution to allow this to be parsed as the


src/main/java/com/google/firebase/database/core/AuthTokenProvider.java (1 line):
	- line 48: * <p>TODO: Figure out sane way to plumb errors through.


src/main/java/com/google/firebase/database/connection/WebsocketConnection.java (1 line):
	- line 177: // TODO: The server is only supposed to send up to 9999 frames (i.e. length <= 4), but that


src/main/java/com/google/firebase/database/snapshot/DoubleNode.java (1 line):
	- line 57: // TODO: unify number nodes


src/main/java/com/google/firebase/database/snapshot/NodeUtilities.java (1 line):
	- line 63: // TODO: refine this and use same code to iterate over array and map by building


src/main/java/com/google/firebase/database/connection/ConnectionUtils.java (1 line):
	- line 63: // TODO: Merge these with Utils from firebase-database


src/main/java/com/google/firebase/internal/GuardedBy.java (1 line):
	- line 20: // TODO: Remove this if we can find a safe alternative or take the dependency.


src/main/java/com/google/firebase/messaging/TopicManagementResponse.java (1 line):
	- line 38: // TODO: Should we handle other error codes here (e.g. PERMISSION_DENIED)?


src/main/java/com/google/firebase/FirebaseApp.java (1 line):
	- line 411: // TODO: Provide an option to disable this altogether.


src/main/java/com/google/firebase/database/core/utilities/ImmutableTree.java (1 line):
	- line 82: // TODO: this seems inefficient


src/main/java/com/google/firebase/database/util/JsonMapper.java (1 line):
	- line 32: * Helper class to convert from/to JSON strings. TODO: This class should ideally not live in


src/main/java/com/google/firebase/database/core/DatabaseConfig.java (1 line):
	- line 23: * TODO: Since this is no longer public, we should merge it with Context and clean all


src/main/java/com/google/firebase/database/core/view/filter/LimitedFilter.java (1 line):
	- line 79: // TODO: rename all cache stuff etc to general snap terminology


src/main/java/com/google/firebase/database/connection/ConnectionAuthTokenProvider.java (1 line):
	- line 41: * <p>TODO: Figure out sane way to plumb errors through.


src/main/java/com/google/firebase/database/snapshot/LongNode.java (1 line):
	- line 51: // TODO: unify number nodes


src/main/java/com/google/firebase/database/core/view/EventRaiser.java (1 line):
	- line 47: // TODO: Use an immutable data structure for events so we don't have to clone to be safe.


src/main/java/com/google/firebase/database/core/WriteTree.java (1 line):
	- line 183: // TODO: maybe use hashmap


src/main/java/com/google/firebase/database/GenericTypeIndicator.java (1 line):
	- line 63: // TODO: This is a legacy class that inherited from TypeIndicator from Jackson to be


src/main/java/com/google/firebase/database/core/Context.java (1 line):
	- line 189: // TODO: We really need to remove this option from the public DatabaseConfig


src/main/java/com/google/firebase/database/utilities/encoding/CustomClassMapper.java (1 line):
	- line 327: // TODO: runtime validation of keys?