Function build_ca_path 

pub fn build_ca_path<'a, SP>(
    name: &'a str,
    ca_hash: &CAHash,
    references: impl IntoIterator<Item = StorePathRef<'a>>,
    self_reference: bool,
) -> Result<StorePath<SP>, BuildStorePathError>
where
    SP: AsRef<str> + From<&'a str>,

This builds a store path from a CAHash and a list of references.