Getter (and Setter?) not compatible with serde(flatten)

[gondolyr]

I have a struct that uses the attribute #[serde(flatten)] to share fields between multiple structs from an API.

For example, I have this:

#[derive(Deserialize, Getter)]
#[get = "pub"]
struct PartialChapterData {
    id: u64,
    language: String,
}

#[derive(Deserialize, Getters)
#[get = "pub"]
struct UserChapters {
    user_id: u64,
    created: u64, // Unix timestamp
    chapters: Vec<PartialChapterData>,
}

#[derive(Deserialize, Getters)
#[get = "pub"]
struct DetailedChapter {
    #[serde(flatten)]
    chapter_partial: PartialChapterData,
    volume: u16,
    title: String,
}

fn main() {
    let test_json = r#"{
        "id": 1,
        "language": "English",
        "volume": 1,
        "title": "The Chapter Title"
    }"#;

    let detailed_chapter: DetailedChapter = serde_json::from_str(test_json)?;
    println!(
        "Title: {}\nID: {}",
        detailed_chapter.title(), // Does not panic
        detailed_chapter.id(), // Panics with the error: error[E0599]: no method named `id` found for reference `&my_test_crate::v2::responses::chapter::DetailedChapter` in the current scope
    );
}

Is there a correct method or workaround for this? I haven't tested the Setter trait as I don't have a need for it.

Edit 1:
My workaround for now is to manually implement the setters in DetailedChapter like so:

// ...
#[derive(Deserialize, Getter)]
#[get = "pub"]
struct PartialChapterData {
    id: u64,
    language: String,
}

#[derive(Deserialize, Getters)
#[get = "pub"]
struct DetailedChapter {
    #[serde(flatten)]
    chapter_partial: PartialChapterData,
    volume: u16,
    title: String,
}

impl DetailedChapter {
    pub fn id(&self) -> &u64 {
        &self.chapter_partial.id()
    }

    pub fn language(&self) -> &String {
        &self.chapter_partial.language()
    }
}

The other getters .volume() and .title() are generated from getset without needing to re-implement them.