/guava/android/guava/src/com/google/common/collect/ImmutableSortedMap.java
return null;
return this;
public Builder<K, V> put(K key, V value) { ensureCapacity(size + 1); checkEntryNotNull(key, value); keys[size] = key; values[size] = value; size++; <extra_id_0> } @CanIgnoreReturnValue @Override public Builder<K, V> put(Entry<? extends K, ? extends V> entry) { super.put(entry); return this;