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use serde::{Serialize, Deserialize};
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct LineItem {
    pub amount: i64,
    pub description: String,
    pub quantity: i64,
}
impl std::fmt::Display for LineItem {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
        write!(f, "{}", serde_json::to_string(self).unwrap())
    }
}