import { Model, InferAttributes, InferCreationAttributes, CreationOptional, ModelStatic } from "vr-migrations";
export declare const LOG_LEVELS: readonly ["INFO", "WARNING", "ERROR", "DEBUG"];
export type LogLevel = (typeof LOG_LEVELS)[number];
export declare const LOG_CATEGORIES: readonly ["SYSTEM", "DATABASE", "CRONJOB", "PAYMENT", "DEVICE", "AUTH", "USER", "API", "SECURITY"];
export type LogCategory = (typeof LOG_CATEGORIES)[number];
export interface SystemLogAttributes {
    id: string;
    level: LogLevel;
    category: LogCategory;
    message: string;
    details: Record<string, any> | null;
    source: string | null;
    ipAddress: string | null;
    userAgent: string | null;
    timestamp: Date;
    createdAt: Date;
    updatedAt: Date;
}
export interface SystemLogCreationAttributes extends Omit<SystemLogAttributes, "id" | "createdAt" | "updatedAt" | "details" | "timestamp"> {
    id?: string;
    details?: Record<string, any> | null;
    timestamp?: Date;
}
type SystemLogOptions = Partial<Omit<SystemLogCreationAttributes, "level" | "message">>;
export declare class SystemLog extends Model<InferAttributes<SystemLog>, InferCreationAttributes<SystemLog>> implements SystemLogAttributes {
    id: CreationOptional<string>;
    level: LogLevel;
    category: LogCategory;
    message: string;
    details: CreationOptional<Record<string, any> | null>;
    source: CreationOptional<string | null>;
    ipAddress: CreationOptional<string | null>;
    userAgent: CreationOptional<string | null>;
    timestamp: CreationOptional<Date>;
    readonly createdAt: CreationOptional<Date>;
    readonly updatedAt: CreationOptional<Date>;
    static initialize(sequelize: any): void;
    static associate(models: Record<string, ModelStatic<Model>>): void;
    static createLog(data: Omit<SystemLogCreationAttributes, "id" | "createdAt" | "updatedAt">): Promise<SystemLog>;
    static logError(message: string, options?: SystemLogOptions): Promise<SystemLog>;
    static logWarning(message: string, options?: SystemLogOptions): Promise<SystemLog>;
    static logInfo(message: string, options?: SystemLogOptions): Promise<SystemLog>;
    static logDebug(message: string, options?: SystemLogOptions): Promise<SystemLog>;
    static getLogs(options: {
        level?: LogLevel;
        category?: LogCategory;
        fromDate?: Date;
        toDate?: Date;
        limit?: number;
        offset?: number;
        orderBy?: "timestamp" | "createdAt";
        orderDirection?: "ASC" | "DESC";
    }): Promise<{
        rows: SystemLog[];
        count: number;
    }>;
    static cleanOldLogs(daysToKeep?: number): Promise<number>;
}
export type SystemLogModel = typeof SystemLog;
export {};