Docs: add missing `StoppingCriteria` autodocs (#30617)

* add missing docstrings to docs

* Update src/transformers/generation/stopping_criteria.py
Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>

---------
Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>

docs/source/en/internal/generation_utils.md

@@ -310,6 +310,12 @@ A [`StoppingCriteria`] can be used to change when to stop generation (other than
 [[autodoc]] MaxTimeCriteria
     - __call__
 
+[[autodoc]] StopStringCriteria
+    - __call__
+
+[[autodoc]] EosTokenCriteria
+    - __call__
+
 ## Constraints
 
 A [`Constraint`] can be used to force the generation to include specific tokens or sequences in the output. Please note that this is exclusively available to our PyTorch implementations.

src/transformers/__init__.py

@@ -1419,6 +1419,7 @@ else:
             "DisjunctiveConstraint",
             "EncoderNoRepeatNGramLogitsProcessor",
             "EncoderRepetitionPenaltyLogitsProcessor",
+            "EosTokenCriteria",
             "EpsilonLogitsWarper",
             "EtaLogitsWarper",
             "ExponentialDecayLengthPenalty",
@@ -1444,6 +1445,7 @@ else:
             "SequenceBiasLogitsProcessor",
             "StoppingCriteria",
             "StoppingCriteriaList",
+            "StopStringCriteria",
             "SuppressTokensAtBeginLogitsProcessor",
             "SuppressTokensLogitsProcessor",
             "TemperatureLogitsWarper",
@@ -6372,6 +6374,7 @@ if TYPE_CHECKING:
             DisjunctiveConstraint,
             EncoderNoRepeatNGramLogitsProcessor,
             EncoderRepetitionPenaltyLogitsProcessor,
+            EosTokenCriteria,
             EpsilonLogitsWarper,
             EtaLogitsWarper,
             ExponentialDecayLengthPenalty,
@@ -6397,6 +6400,7 @@ if TYPE_CHECKING:
             SequenceBiasLogitsProcessor,
             StoppingCriteria,
             StoppingCriteriaList,
+            StopStringCriteria,
             SuppressTokensAtBeginLogitsProcessor,
             SuppressTokensLogitsProcessor,
             TemperatureLogitsWarper,

src/transformers/generation/stopping_criteria.py

@@ -98,7 +98,7 @@ class MaxNewTokensCriteria(StoppingCriteria):
 
     def __init__(self, start_length: int, max_new_tokens: int):
         warnings.warn(
-            "The class `MaxNewTokensCriteria` is deprecated. "
+            "The class `MaxNewTokensCriteria` is deprecated and will be removed in v4.43. "
             f"Please use `MaxLengthCriteria(max_length={start_length + max_new_tokens})` "
             "with `max_length = start_length + max_new_tokens` instead.",
             FutureWarning,

src/transformers/utils/dummy_pt_objects.py

@@ -177,6 +177,13 @@ class EncoderRepetitionPenaltyLogitsProcessor(metaclass=DummyObject):
         requires_backends(self, ["torch"])
 
 
+class EosTokenCriteria(metaclass=DummyObject):
+    _backends = ["torch"]
+
+    def __init__(self, *args, **kwargs):
+        requires_backends(self, ["torch"])
+
+
 class EpsilonLogitsWarper(metaclass=DummyObject):
     _backends = ["torch"]
 
@@ -352,6 +359,13 @@ class StoppingCriteriaList(metaclass=DummyObject):
         requires_backends(self, ["torch"])
 
 
+class StopStringCriteria(metaclass=DummyObject):
+    _backends = ["torch"]
+
+    def __init__(self, *args, **kwargs):
+        requires_backends(self, ["torch"])
+
+
 class SuppressTokensAtBeginLogitsProcessor(metaclass=DummyObject):
     _backends = ["torch"]