Seeking restriction policy for HLS interstitial playback. Derived from X-RESTRICT header in HLS manifests. When undefined, no seeking restrictions are applied.
NO_SEEKING: Seeking or playing at higher rate while playing ads should not be allowed. Corresponds to X-RESTRICT=SKIP header.
Seeking restriction policy for HLS interstitial playback. Derived from X-RESTRICT header in HLS manifests. When undefined, no seeking restrictions are applied.