projects/common/interactive/error-aggregator/error-aggregator.token.ts
import { CngxErrorAggregatorSourceEntry } from '@cngx/common/interactive'
One registered error source within an CngxErrorAggregatorContract.
key uniquely identifies the source within its aggregator. condition is the live signal the aggregator reads on every recompute. label is an optional human-readable string included in announcements.
key
condition
label
Signal
string
string | null