geopackage-sdk/src/main/java/mil/nga/geopackage/factory/GeoPackageManagerImpl.java
private void addInternalDatabases(Collection<String> databases) {
        String[] databaseArray = context.databaseList();
        for (String database : databaseArray) {
            if (!isTemporary(database)
                    && !database
                    .equalsIgnoreCase(GeoPackageMetadataDb.DATABASE_NAME)) {
                databases.add(database);
            }
        }
    }
private void addInternalDatabases(Collection<String> databases) {
        String[] databaseArray = context.databaseList();
        for (String database : databaseArray) {
            if (!isTemporary(database)
                    && !database
                    .equalsIgnoreCase(GeoPackageMetadataDb.DATABASE_NAME)) {
                databases.add(database);
            }
        }
    }
Add all internal databases to the collection

@param databases