How does the author use foreshadowing in The Berlin Stories: The Last of Mr. Norris, Goodbye to Berlin?

In the story, The Last of Mr. Norris, there are two important uses of foreshadowing - the appearance of the Baron, which foreshadows the important role he plays later in the narrative, and the ominous descriptions of Schmidt, which foreshadow the eventual violence and oppression he brings into the narrative in later chapters.