import { OnModuleInit } from '@nestjs/common';
import { DataSource } from 'typeorm';
export declare class TrafficGridService implements OnModuleInit {
    private dataSource;
    private readonly logger;
    private grid;
    private readonly GEOHASH_PRECISION;
    constructor(dataSource: DataSource);
    onModuleInit(): Promise<void>;
    refreshGrid(): Promise<void>;
    getTrafficFactor(coords: [number, number][], hr: number, dow: number): number;
    private encodeGeohash;
}