Render
constructor(outputPath: String, startSeconds: Double = 0.0, endSeconds: Double = 0.0, hasEndSeconds: Boolean = false, useContentFallback: Boolean = true, contentBoundsValid: Boolean = false, contentStartSeconds: Double = 0.0, contentEndSeconds: Double = 0.0, tailSeconds: Double = 0.0, enableSilenceStop: Boolean = false, silenceDurationSeconds: Double = 2.0, silenceThresholdDb: Double = -60.0)