What is the foreshadowing in the story of an hour?

One example of foreshadowing in "The Story of an Hour" is when the protagonist, Mrs. Mallard, feels a sense of freedom and joy upon learning of her husband's death, hinting at the eventual revelation of her desire for independence and self-fulfillment. Another example is the mention of Mrs. Mallard's heart condition at the beginning of the story, which foreshadows her eventual death upon discovering that her husband is actually alive.