import type { Observation } from "../../../domain/sentinel/observation/observation.js";
import type { Signal } from "../../../domain/sentinel/signal/signal.js";
import type { SignalStore } from "../../../infrastructure/sentinel/stores/signal-store.js";
export declare function isWorldObservationSource(source: string): boolean;
export interface CorrelationOutcome {
    readonly created: readonly Signal[];
    readonly updated: readonly Signal[];
    readonly skipped: number;
}
export declare class SignalCorrelator {
    private readonly signals;
    constructor(signals: SignalStore);
    correlate(observations: readonly Observation[], now?: number): Promise<CorrelationOutcome>;
}
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