android/guava/src/com/google/common/collect/ImmutableTable.java
@CanIgnoreReturnValue
  @Deprecated
  @Override
  public final V put(R rowKey, C columnKey, V value) {
    throw new UnsupportedOperationException();
  }
@CanIgnoreReturnValue
  @Deprecated
  @Override
  public final V put(R rowKey, C columnKey, V value) {
    throw new UnsupportedOperationException();
  }
Guaranteed to throw an exception and leave the table unmodified.

@throws UnsupportedOperationException always
@deprecated Unsupported operation.