/**
 * [WHO]: DiagnosticEvent, DiagnosticRecord, DiagnosticReportPayload, DIAGNOSTIC_EVENT_CHANNEL
 * [FROM]: No external dependencies
 * [TO]: Consumed by extensions/builtin/diagnostics/* and diagnostic event producers by structural contract
 * [HERE]: extensions/builtin/diagnostics/types.ts - extension-local diagnostic event schema
 */
export declare const DIAGNOSTIC_EVENT_CHANNEL = "diagnostic:event";
export type DiagnosticSeverity = "debug" | "info" | "warning" | "error";
export type DiagnosticCategory = "network" | "fallback" | "persistence" | "config" | "extension_timeout" | "schema" | "unknown";
export interface DiagnosticContext {
    version?: string;
    commit_hash?: string;
    session_id?: string;
    mode?: string;
    provider?: string;
    model_id?: string;
    thinking?: string;
    tool_summary?: unknown;
    [key: string]: unknown;
}
export interface DiagnosticEvent {
    source: string;
    severity: DiagnosticSeverity;
    category: DiagnosticCategory;
    message: string;
    detail?: unknown;
    fingerprint?: string;
    context?: DiagnosticContext;
    created_at?: string;
}
export interface DiagnosticRecord extends DiagnosticEvent {
    fingerprint: string;
    first_seen_at: string;
    last_seen_at: string;
    occurrence_count: number;
    reported_occurrence_count?: number;
    prompted: boolean;
    reported: boolean;
}
export interface DiagnosticReportPayload {
    session_id?: string;
    version?: string;
    commit_hash?: string;
    mode?: string;
    source?: string;
    severity?: DiagnosticSeverity;
    category?: DiagnosticCategory;
    message?: string;
    fingerprint?: string;
    provider?: string;
    model_id?: string;
    thinking?: string;
    tool_summary?: unknown;
    diagnostics: DiagnosticRecord[];
    user_note?: string;
    user_approved: boolean;
    occurrence_count: number;
    first_seen_at?: string;
    last_seen_at?: string;
    client_report_id: string;
    created_at: string;
}