import { User } from '../models/user.model';
import { FoodItem } from '../models/food-item.model';
import { Meal } from '../models/meal.model';
import { WaterLog } from '../models/water-log.model';
import { WeightLog } from '../models/weight-log.model';
import { MealPlan } from '../models/meal-plan.model';
import { PlannedFood } from '../models/planned-food.model';
import { DailySummary } from '../models/daily-summary.model';
export declare class UtilsService {
    private userModel;
    private foodItemModel;
    private mealModel;
    private waterLogModel;
    private weightLogModel;
    private mealPlanModel;
    private plannedFoodModel;
    private dailySummaryModel;
    constructor(userModel: typeof User, foodItemModel: typeof FoodItem, mealModel: typeof Meal, waterLogModel: typeof WaterLog, weightLogModel: typeof WeightLog, mealPlanModel: typeof MealPlan, plannedFoodModel: typeof PlannedFood, dailySummaryModel: typeof DailySummary);
    calculateBMR(weightKg: number, heightCm: number, age: number, gender: string): number;
    calculateTDEE(bmr: number, activityLevel: string): number;
    calculateMacroTargets(weightKg: number, goalType?: string): {
        protein_g: number;
        carbs_g: number;
        fat_g: number;
    };
    calculateDailyTotals(userId: number, targetDate?: string | Date): Promise<{
        calories: number;
        protein: number;
        carbs: number;
        fat: number;
        meals: any[];
    }>;
    calculateWaterTotal(userId: number, targetDate?: string | Date): Promise<{
        total_ml: number;
        logs: {
            id: any;
            amount_ml: number;
            time: string;
        }[];
    }>;
    getWeightTrend(userId: number, days?: number): Promise<{
        date: Date;
        weight_kg: number;
    }[]>;
    getCalorieTrend(userId: number, days?: number): Promise<any[]>;
    updateDailySummary(userId: number, targetDate?: string | Date): Promise<DailySummary>;
    getMacroPercentages(proteinG: number, carbsG: number, fatG: number): {
        protein: number;
        carbs: number;
        fat: number;
    };
    suggestFoodsForMacros(remainingProtein: number, remainingCarbs: number, remainingFat: number): any[];
    generateDailyMealPlan(userId: number, dateStr: string): Promise<boolean>;
}