What literary tool or toold does Hosseini use in Chapter 1 of The Kite Runner and how does his usage frame the story?

In Chapter 1 of The Kite Runner, Hosseini uses foreshadowing through Amir's contemplation of his past sins and regrets. This technique sets the tone for the story by hinting at the guilt and complex relationships that will unfold. Hosseini's use of foreshadowing builds tension and sets up the narrative trajectory for Amir's journey of redemption and self-discovery.