Bool returns the field passed as boolean in value, ok if exists.

Hash returns the field passed as a map of interfaces in value, ok if exists.

HashString returns the field passed as a map of strings in value, ok if exists.

Int returns the field passed as int in value, ok if exists.

SliceHash returns the field passed as a slice of map of interfaces in value, ok if exists.

SliceHashString returns the field passed as a slice of map of strings in value, ok if exists.

SliceString returns the field passed as a slice of strings in value, ok if exists.

String returns the field passed as string in value, ok if exists.