public boolean isRawAsBase64() {
        if (rawAsBase64 != null) return rawAsBase64;
        if (inherited.isEmpty()) return true;
        return requireInherited().isRawAsBase64();
    }
Returns true if 'raw' fields shall be presented as base64 in summary
Note that this is temporary and will disappear on Vespa 8 as it will become default, and only option.

@return true if raw shall be encoded as base64 in summary
config-model/src/main/java/com/yahoo/schema/Schema.java