import type http from "node:http";
import type { RouteHelpers, RouteRequestMeta } from "./route-helpers";
interface LogEntryLike {
    timestamp: number;
    level: string;
    source: string;
    tags: string[];
}
interface StreamEventEnvelopeLike {
    type: string;
    eventId: string;
    runId?: string;
    seq?: number;
}
interface AuditEntryLike {
    timestamp: string;
    type: string;
    summary: string;
    severity: string;
    metadata?: Record<string, string | number | boolean | null>;
}
type DiagnosticsSseInit = (res: http.ServerResponse) => void;
type DiagnosticsSseWriteJson = (res: http.ServerResponse, payload: object, event?: string) => void;
export interface DiagnosticsRouteContext extends RouteRequestMeta, Pick<RouteHelpers, "json"> {
    url: URL;
    logBuffer: LogEntryLike[];
    eventBuffer: StreamEventEnvelopeLike[];
    relayPort?: number;
    checkRelayReachable?: (relayPort: number) => Promise<boolean>;
    resolveExtensionPath?: () => string | null;
    initSse?: DiagnosticsSseInit;
    writeSseJson?: DiagnosticsSseWriteJson;
    auditEventTypes: readonly string[];
    auditSeverities: readonly string[];
    getAuditFeedSize: () => number;
    queryAuditFeed: (query: {
        type?: string;
        severity?: string;
        sinceMs?: number;
        limit?: number;
    }) => AuditEntryLike[];
    subscribeAuditFeed: (subscriber: (entry: AuditEntryLike) => void) => () => void;
}
export declare function handleDiagnosticsRoutes(ctx: DiagnosticsRouteContext): Promise<boolean>;
export {};
//# sourceMappingURL=diagnostics-routes.d.ts.map