"""JSON key access. Zerto mixes PascalCase and camelCase across versions."""

from __future__ import annotations

from typing import Any


def pick(row: dict[str, Any], *names: str) -> Any:
    for name in names:
        if name in row and row[name] is not None:
            return row[name]
    lower = {k.lower(): v for k, v in row.items()}
    for name in names:
        if name.lower() in lower and lower[name.lower()] is not None:
            return lower[name.lower()]
    return None