{"ast_node_type":"function","tokens":[{"end":62,"kind":"keyword","start":0,"text":"pub(crate)"}]}
    pub(crate) fn new(slice: OwnedSlice) -> Result<Self, ()> {
    /// Runs the [`MemDecoder`] validation and if it passes, constructs a new [`MetadataBlob`].
        if MemDecoder::new(&slice, 0).is_ok() { Ok(Self(slice)) } else { Err(()) }