import type { DeviceChannel } from "./types.js";
/** Alarm severity state for a device or channel. */
export type AlarmState = "none" | "low" | "high";
/** Determine the alarm state of a single channel. */
export declare function getChannelAlarmState(channel: DeviceChannel): AlarmState;
/** Determine the highest alarm state across multiple channels. */
export declare function getChannelsAlarmState(channels: DeviceChannel[]): AlarmState;
/** Escalate to the more severe of two alarm states. */
export declare function escalateAlarm(current: AlarmState, incoming: AlarmState): AlarmState;
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