utils

class SourceSchema extends AnyRef
Schema information about column names and their types that should be read from Delta table.
final class SourceUtils extends AnyRef
A utility class for Source connector
class TransitiveOptional[T] extends AnyRef
A container object which may or may not contain a non-null value.
A container object which may or may not contain a non-null value. It supports chaining through
An example of using TransitiveOptional class for method chaining where every method returns TransitiveOptional instance. In this chain, the next step will be executed ONLY if the previous one returned an empty TransitiveOptional
```
    return getSnapshotFromCheckpoint(checkpointSnapshotVersion)
           .or(this::getSnapshotFromStartingVersionOption)
           .or(this::getSnapshotFromStartingTimestampOption)
           .or(this::getHeadSnapshot)
           .get();
```

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