import { type DiagnosticExpected, type DiagnosticObservations, type DiagnosticThresholds } from "./contract.js";
export declare function canonicalJson(value: unknown): string;
export declare function sha256(value: string | Buffer): string;
/** Record the live engine's frozen output. Replay never uses this as an input. */
export declare function deriveCapturedExpected(observations: DiagnosticObservations, thresholds: DiagnosticThresholds): DiagnosticExpected;
/** Re-run the pure finding engine from frozen source inputs only. */
export declare function replayDiagnosticInputs(observations: DiagnosticObservations, thresholds: DiagnosticThresholds): DiagnosticExpected;
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