Serializes the @layout for later deserialization via [func@Pango.Layout.deserialize].
There are no guarantees about the format of the output across different
versions of Pango and [func@Pango.Layout.deserialize] will reject data
that it cannot parse.
The intended use of this function is testing, benchmarking and debugging.
The format is not meant as a permanent storage format.
Serializes the @layout for later deserialization via [func@Pango.Layout.deserialize].
There are no guarantees about the format of the output across different versions of Pango and [func@Pango.Layout.deserialize] will reject data that it cannot parse.
The intended use of this function is testing, benchmarking and debugging. The format is not meant as a permanent storage format.