export type DtoBoundaryFinding = "PASS" | "WARN" | "UNKNOWN";
export type DtoBoundaryConfidence = "MEDIUM";
export type DtoBoundaryRole = "request" | "response" | "dto";
export type DtoBoundaryEvidence = {
    readonly className: string;
    readonly role: DtoBoundaryRole;
    readonly namingEvidence: readonly string[];
};
export type DtoBoundaryObservation = {
    readonly finding: DtoBoundaryFinding;
    readonly confidence?: DtoBoundaryConfidence;
    readonly evidence: DtoBoundaryEvidence;
    readonly limitations: readonly string[];
};
export type ObserveDtoBoundaryInput = {
    readonly filePath: string;
    readonly source: string;
};
export declare function observeDtoBoundary(input: ObserveDtoBoundaryInput): DtoBoundaryObservation;