's argument types from. Consider typing the arguments or put the closures into a typed context.
There is no context to infer the closure's argument types from. Consider typing the arguments or put the closures into a typed context.
key cannot be resolved
!== cannot be resolved
value cannot be resolved
!== cannot be resolved
issueDate cannot be resolved
!== cannot be resolved
issueDate cannot be resolved
!== cannot be resolved
year cannot be resolved
+ cannot be resolved
!== cannot be resolved
year cannot be resolved
+ cannot be resolved
!== cannot be resolved
year cannot be resolved
+ cannot be resolved
!== cannot be resolved
year cannot be resolved
+ cannot be resolved
map cannot be resolved
+ cannot be resolved
+ cannot be resolved
+ cannot be resolved
contains cannot be resolved
replaceAll cannot be resolved
trim cannot be resolved
split cannot be resolved
map cannot be resolved
reduce cannot be resolved
take cannot be resolved
reduce cannot be resolved
+ cannot be resolved
filter cannot be resolved
!== cannot be resolved
map cannot be resolved
filterNull cannot be resolved
forEach cannot be resolved
substring cannot be resolved
+ cannot be resolved
+ cannot be resolved
    at pl.edu.pw.ii.itm.gui.CitedByService.getScholarCitedBy(CitedByService.java:119)
    at pl.edu.pw.ii.itm.gui.CitedByService.getScholarCitedByNumber(CitedByService.java:84)