# Copyright 2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
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"""Defines an event-based waiting behaviour."""

import abc


class Trigger(abc.ABC):
  """Defines an event-based waiting behaviour."""

  @property
  @abc.abstractmethod
  def name(self) -> str:
    """Returns the name of the trigger."""

  @abc.abstractmethod
  def wait_for_event(self) -> None:
    """Blocks until the next event."""
