ab har ata , ▁written ▁in ▁ 1 1 5 7 . ▁This ▁K ak aw in ▁was ▁perfect ed ▁by ▁his ▁brother , ▁M pu ▁Pan ul uh . ▁M pu ▁Pan ul uh ▁wrote ▁H ari w ang sa ▁and ▁G at ot k ac as ray a . ▁Jay ab h aya ' s ▁reign ▁was ▁considered ▁the ▁golden ▁age ▁of ▁Old ▁J avan ese ▁literature . ▁ ▁The ▁P rel amb ang ▁Joy ob o yo , ▁a ▁proph etic ▁book ▁as cribed ▁to ▁Jay ab h aya , ▁is ▁well ▁known ▁among ▁J avan ese . ▁It ▁predicted ▁that ▁the ▁arch ip el ago ▁would ▁be ▁ruled ▁by ▁a ▁white ▁race ▁for ▁a ▁long ▁time , ▁then ▁a ▁yellow ▁race ▁for ▁a ▁short ▁time , ▁then ▁be ▁gl orious ▁again . ▁The ▁Jay ab h aya ▁prop he cies ▁mention ▁R atu ▁Ad il , ▁the ▁Just ▁Prince , ▁a ▁rec urr ing ▁popular ▁figure ▁in ▁J avan ese ▁fol kl ore . ▁During ▁the ▁reign , ▁T ern ate ▁was ▁a ▁v ass al ▁state ▁of ▁K ed iri . ▁ ▁Jay ab h aya ' s ▁successor ▁was ▁Sar w we ç w ara ▁( re igned ▁ 1 1 6 0 – 1 1 7 0 ), ▁followed ▁by ▁A ry ye ç w ara ▁( re igned ▁ 1 1 7 0 – 1 1 8 0 ), ▁who ▁used ▁G anes ha ▁as ▁his ▁royal ▁L anch ana . ▁ ▁The ▁next ▁monarch