rn-fetch-blob/android/src/main/res/xml/provider_paths.xml

<?xml version="1.0" encoding="utf-8"?>
<paths xmlns:android="http://schemas.android.com/apk/res/android">
    <external-path
        name="external_files"
        path="." />
    <files-path
        name="files-path"
        path="." /> <!-- Used to access into application data files -->
    <cache-path
        name="cache-path"
        path="." /> <!-- Used to access files in cache directory -->
</paths>