import { PlatformAccessory } from 'homebridge';
import { PentairPlatform } from './platform';
/**
 * Pump GPM Accessory
 * Displays calculated GPM (flow rate) for pumps as a light sensor (lux value) for easy visualization in Home app
 * Each physical pump gets its own dedicated GPM sensor based on the pump name and type
 */
export declare class PumpGpmAccessory {
    private readonly platform;
    private readonly accessory;
    private service;
    private pump;
    private pumpType;
    private currentRpm;
    constructor(platform: PentairPlatform, accessory: PlatformAccessory);
    /**
     * Calculate current GPM from pump speed using pump performance curves
     */
    private getCurrentGpm;
    /**
     * Find the highest speed from all active pump circuits (same logic as WATTS sensor)
     */
    private getHighestActivePumpSpeed;
    /**
     * Check if a pump circuit is currently active by looking for corresponding feature/circuit status
     */
    private checkStandardCircuitActive;
    private checkHeaterCircuitActive;
    private isPumpCircuitActive;
    /**
     * Handle requests to get the current GPM value
     */
    getGpm(): Promise<number>;
    /**
     * Update the current RPM and recalculate GPM
     */
    updateSpeed(rpm: number): void;
    /**
     * Update the GPM display (called when pump speed changes)
     */
    updateGpm(gpm: number): void;
    /**
     * Get the current pump type for debugging
     */
    getPumpType(): string;
    /**
     * Get the current RPM for debugging
     */
    getCurrentRpm(): number;
}
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