import type { SourceAnchor } from "../../../core/domain/facts/anchor.js";
import type { CallShape, Diagnostic, DiagnosticCode } from "../../../core/domain/facts/diagnostic.js";
/** One site inside the candidate universe that no classification tier claimed. */
export type DiagnosticSite = {
    readonly code: DiagnosticCode;
    readonly canonicalCallee: string;
    readonly shape: CallShape;
    readonly anchor: SourceAnchor;
};
/**
 * Merges by the core of project-map:BEH-013, (code, canonical_callee,
 * canonical_call_shape). `count` is the number of DISTINCT source anchors, so
 * one callee reached from three sites is one diagnostic with count three and
 * never a tally of how often the walk passed through it.
 */
export declare function mergeDiagnostics(sites: readonly DiagnosticSite[]): readonly Diagnostic[];