import { IotAlarm, IotAlarmLevel, IotChartSeries, IotDevice, IotDeviceStatus, IotDeviceType, IotDeviceTypePreset, IotMetric, IotTopologyEdge, IotTopologyNode } from './types';
/** 设备类型预设表 */
export declare const DEVICE_TYPE_PRESETS: IotDeviceTypePreset[];
/** 设备状态颜色映射 */
export declare const IOT_STATUS_COLORS: Record<IotDeviceStatus, string>;
/** 设备状态标签映射 */
export declare const STATUS_LABELS: Record<IotDeviceStatus, string>;
/** 告警级别颜色映射 */
export declare const ALARM_LEVEL_COLORS: Record<IotAlarmLevel, string>;
/** 告警级别标签映射 */
export declare const ALARM_LEVEL_LABELS: Record<IotAlarmLevel, string>;
/** 按类型查找预设 */
export declare const findDevicePreset: (type: IotDeviceType) => IotDeviceTypePreset | undefined;
/** 创建指标 */
export declare const createMetric: (overrides?: Partial<IotMetric>) => IotMetric;
/** 创建设备 */
export declare const createDevice: (overrides?: Partial<IotDevice>) => IotDevice;
/** 创建告警 */
export declare const createAlarm: (overrides?: Partial<IotAlarm>) => IotAlarm;
/** 拓扑节点尺寸 */
export declare const TOPOLOGY_NODE_WIDTH = 120;
export declare const TOPOLOGY_NODE_HEIGHT = 56;
/** 布局水平间距 */
export declare const LAYOUT_H_GAP = 40;
/** 布局垂直间距 */
export declare const LAYOUT_V_GAP = 100;
/** 布局左边距 */
export declare const LAYOUT_MARGIN_X = 80;
/** 布局上边距 */
export declare const LAYOUT_MARGIN_Y = 60;
/**
 * 自动布局拓扑：基于 parentId 构建树形分层布局
 * - 同一深度水平排列
 * - 父节点居中对齐到子节点区间
 */
export declare const autoLayoutTopology: (devices: IotDevice[]) => IotTopologyNode[];
/** 根据设备列表构建拓扑连线 */
export declare const buildTopologyEdges: (devices: IotDevice[]) => IotTopologyEdge[];
/** 计算拓扑视图所需尺寸 */
export declare const computeTopologySize: (nodes: IotTopologyNode[]) => {
    width: number;
    height: number;
};
/** 示例时序数据（温度/湿度/压力） */
export declare const SAMPLE_METRICS: IotChartSeries[];
/** 示例设备（1 网关 → 3 控制器 → 传感器/摄像头/执行器） */
export declare const SAMPLE_DEVICES: IotDevice[];
/** 示例告警 */
export declare const SAMPLE_ALARMS: IotAlarm[];