cloud-spanner-r2dbc/src/main/java/com/google/cloud/spanner/r2dbc/SpannerConnectionFactoryProvider.java (2 lines):
	- line 64: // TODO: GH-292
	- line 83: // TODO: GH-292


cloud-spanner-r2dbc/src/main/java/com/google/cloud/spanner/r2dbc/SpannerConnectionConfiguration.java (2 lines):
	- line 52: // TODO: check how to handle full URL (it gets parsed by SPI, we only get pieces)
	- line 220: // TODO (GH-200): allow customizing emulator with optionsBuilder.setEmulatorHost()


cloud-spanner-r2dbc/src/main/java/com/google/cloud/spanner/r2dbc/v2/ReactiveResultSetCallback.java (1 line):
	- line 68: // TODO: when googleapis/java-spanner#1192 is released, remove the nested condition,


cloud-spanner-r2dbc/src/main/java/com/google/cloud/spanner/r2dbc/v2/DatabaseClientReactiveAdapter.java (1 line):
	- line 118: // TODO: it would be good for client library to signal when a session is ready for this