return shardsallocator implementations added by this plugin.the key of the returned map is the name of the allocator , and the valueis a function to construct the allocator . concode_field_sep PlaceHolder placeHolder concode_field_sep Collection<AllocationDecider> createAllocationDeciders
Map < String , Supplier < ShardsAllocator >> function ( Settings arg0 , ClusterSettings arg1 ) { return Collections . emptyMap ( ) ; }