public static DeployHandlerLogger forPrepareParams(PrepareParams prepareParams) {
        return forApplication(prepareParams.getApplicationId(), prepareParams.isVerbose());
    }
A {@link DeployLogger} which stores messages in a {@link Slime} tree, and holds a tenant and application name.

@author Ulf Lilleengen
configserver/src/main/java/com/yahoo/vespa/config/server/deploy/DeployHandlerLogger.java