package Ġco . nil in . op ex . chain scanner . core . spi Ċ Ċ import Ġco . nil in . op ex . chain scanner . core . model . Watch ListItem Ċ Ċ interface ĠWatch List Handler Ġ{ ĊĠĠĠ Ġsuspend Ġfun Ġadd ( watch ListItem : ĠWatch ListItem ) ĊĠĠĠ Ġsuspend Ġfun Ġdelete By Address ( address : ĠString ) ĊĠĠĠ Ġsuspend Ġfun ĠfindAll (): ĠList < Watch ListItem > Ċ } Ċ