from __future__ import annotations

from abc import ABC


class ScenarioRepository(ABC):
    """Loads the Scenarios (and Scenario Snapshots) the Modelling stage scores
    a Property against.

    Seam only at this stage (#1136): the method shape is deferred to the
    Modelling per-service grill, where Scenario / Scenario Phase / Scenario
    Snapshot are designed (CONTEXT.md). Declared now so the pipeline can be
    composed end-to-end with Modelling stubbed.
    """