import { TalkerSentence } from "../../types/sentences/TalkerSentence";
import { RawNmeaSentence } from "../../types/sentences/RawNmeaSentence";
export declare class DPT extends TalkerSentence {
    static readonly ID: string;
    constructor(data: RawNmeaSentence);
    get depth(): number;
    get transducerOffset(): number | null;
    get maxDepthRange(): number | null;
    get valid(): boolean;
    get invalidReason(): null | string;
}