我正在尝试在 Remix 上编译 HistoricalPriceConsumerV3.sol,这是 https://docs.chain.link/docs/historical-price-data/ 的基本合同之一,但是我不断收到以下错误消息:
"gist-1deaf4da67a4ea3c453a683a20b123be/HistoricalPriceConsumerV3.sol:44:12: TypeError: Member "latestAnswer" not found or not visible after argument-dependent lookup in contract AggregatorV3Interface.return priceFeed.latestAnswer------(^) --------------^"
我该如何解决这个问题?