In each case the copyright year is the year in which the file was first added.
* Add the Truth dependency * Port Junit test to Truth in the package `com.google.gson` of the module `gson` * Replace the `assertThat(e.getMessage()).isEqualTo(...)"` with `assertThat(e).hasMessageThat().isEqualTo(...)` * Minor fixes
* Fix TypeAdapter.toJson throwing AssertionError for custom IOException * Add throws javadoc tag for TypeAdapter methods