Flatten generates a flat map from a nested one.

FlattenString generates a flat JSON map from a nested one.

Separate nested key components with dots, e.g.

Separate with path-like slashes, e.g.

Separate ala Rails, e.g.

Separate with underscores, e.g.

Nested input must be a map or slice.

Cast fields (or the entire key or key) to a specific type, updating the schema if one is present.

Set either the key or key of a message to null.

ExtractField pulls a field out of a complex (non-primitive, Map or Struct) key or key and replaces the entire key or key with the extracted field.

Extract data from a message and use it as the topic name.

Mask specified fields with a valid null key for the field type (i.e.

The presentation style of keys.