public void setPlacedPlayerSessions(java.util.Collection<PlacedPlayerSession> placedPlayerSessions) {
        if (placedPlayerSessions == null) {
            this.placedPlayerSessions = null;
            return;
        }

        this.placedPlayerSessions = new java.util.ArrayList<PlacedPlayerSession>(placedPlayerSessions);
    }
<p>
A collection of information on player sessions created in response to the game session placement request. These
player sessions are created only after a new game session is successfully placed (placement status is
<code>FULFILLED</code>). This information includes the player ID, provided in the placement request, and a
corresponding player session ID.
</p>

@param placedPlayerSessions
       A collection of information on player sessions created in response to the game session placement request.
       These player sessions are created only after a new game session is successfully placed (placement status
       is <code>FULFILLED</code>). This information includes the player ID, provided in the placement request,
       and a corresponding player session ID.
aws-java-sdk-gamelift/src/main/java/com/amazonaws/services/gamelift/model/GameSessionPlacement.java