import { Temporal } from "@js-temporal/polyfill";
import { Readable, Writable } from "stream";
export type MaybePromise<T> = T | Promise<T>;
export declare class Timeframe {
    from: Temporal.Instant;
    to: Temporal.Instant;
    constructor(from: Temporal.Instant, to: Temporal.Instant);
    clamp(bounds: Timeframe): Timeframe;
    get duration(): Temporal.Duration;
}
export type BathymetryData = {
    latitude: number;
    longitude: number;
    depth: number;
    timestamp: Temporal.Instant;
    heading?: number;
};
export interface BathymetrySource {
    createWriter?: () => Writable;
    createReader: (options: Timeframe) => MaybePromise<Readable | undefined>;
    getAvailableTimeframes(timeframe: Timeframe, windowSize: Temporal.Duration): MaybePromise<Timeframe[]>;
}
//# sourceMappingURL=types.d.ts.map