and there are no missing null checks.

## Decision

Use "NullAway" in JSpecify mode to check for null-related errors in Java code.

Consider improper uses of `null` detected by NullAway a compilation error (not a warning, and not a separate CI job to test).

Do not suppress NullAway errors without a justification.

import gradlebuild.nullaway.NullawayAttributes
import gradlebuild.nullaway.NullawayCompatibilityRule
import gradlebuild.nullaway.NullawayState
import gradlebuild.nullaway.NullawayStatusTask
import net.ltgt.gradle.errorprone.CheckSeverity
import net.ltgt.gradle.errorprone.errorprone
import net.ltgt.gradle.nullaway.nullaway

/*
 * Copyright 2022 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");