public static Schema schema(int scale) {
        return builder(scale).build();
    }
Returns a SchemaBuilder for a Decimal with the given scale factor. By returning a SchemaBuilder you can override
additional schema settings such as required/optional, default value, and documentation.
@param scale the scale factor to apply to unscaled values
@return a SchemaBuilder
connect/api/src/main/java/org/apache/kafka/connect/data/Decimal.java