Function serde_generate::java::write_source_files

pub fn write_source_files(
    install_dir: PathBuf, 
    package_name: Option<&str>, 
    with_serialization: bool, 
    registry: &Registry, 
    external_definitions: &ExternalDefinitions, 
    comments: &DocComments
) -> Result<()>

Same as output_with_comments_and_external_definitions but generates one separate source file per class. Source files will be located in a subdirectory of install_dir corresponding to the given package name (if any, otherwise install_dir it self).