A filter that may be applied to a chooseAsync operation.
NEW_CONTEXT_ONLY- Prefer to only surface contexts the game has not been played in before.
INCLUDE_EXISTING_CHALLENGES- Include the "Existing Challenges" section, which surfaces actively played-in contexts that the player is a part of.
NEW_PLAYERS_ONLY- In sections containing individuals, prefer people who have not played the game.
NEW_INVITATIONS_ONLY- Only enlists friends who haven't been sent an in-game message before. This filter can be fine-tuned with
hoursSinceInvitationparameter. (Viber only)