import type { DoctorReport } from '../contract.js';
/** Minimal snapshot view doctor needs — a subset of AccountSnapshot. */
export interface DoctorSnapshotView {
    email: string;
    /** oauthAccount.accountUuid from the snapshot (the account it claims to be). */
    accountUuid?: string;
    /** _keychain.claudeAiOauth.accessToken, when the snapshot carries tokens. */
    accessToken?: string;
    /** _capturedFrom.accountUuid (provenance stamp), when present. */
    capturedFromAccountUuid?: string;
}
/** Per-account usage-cache view doctor needs. */
export interface DoctorUsageView {
    email: string;
    /** rateLimitedUntil epoch-ms from the cache, when set. */
    rateLimitedUntil?: number;
}
export interface DoctorInput {
    activeAccount: string | null;
    snapshots: DoctorSnapshotView[];
    usage: DoctorUsageView[];
    /** macOS only: a Claude Code Keychain OAuth item is still present. */
    keychainItemPresent: boolean;
    /** Clock injection for the rate-limit check. */
    now: number;
}
/**
 * Run the credential-health diagnostics over already-read on-disk state.
 * Pure and deterministic.
 */
export declare function diagnose(input: DoctorInput): DoctorReport;