import { INmeaSentence } from "../interfaces";
import { RawNmeaSentence } from "./RawNmeaSentence";
import { SentenceType } from "../SentenceType";
export declare class NmeaSentence implements INmeaSentence {
    /**
     * Each NMEA0183 sentence starts with a "$" sign.
     */
    static readonly Prefix: string;
    /**
     * Each NMEA0183 sentence ends with <CR><LF>.
     */
    static readonly Suffix: string;
    /**
     * The raw line given to the constructor. Can be changed.
     */
    raw: string;
    /**
     * The type of this sentence.
     */
    readonly type: SentenceType;
    /**
     * The prefix to use when validating the sentence.
     */
    protected readonly prefix: string;
    /**
     * The suffix to use when validating the sentence.
     */
    protected readonly suffix: string;
    /**
     * Create a NMEA0183 sentence from a string.
     *
     * @param data The line to interpret as an NMEA0183 sentence. Can also be an existing Sentence.
     * @param type The type of this sentence.
     * @param prefix The prefix to use when validating the sentence.
     * @param suffix The suffix to use when validating the sentence.
     */
    constructor(data: RawNmeaSentence, type: SentenceType, prefix?: string, suffix?: string);
    /**
     * Whether or not this sentence is a valid NMEA0183 sentence.
     *
     * All data is transmitted in the form of sentences. Only printable ASCII characters are allowed, plus CR (carriage
     * return) and LF (line feed). Each sentence starts with a "$" sign and ends with <CR><LF>.
     *
     * This does _not_ validate the checksum, regardless of if one is contained in the sentence.
     */
    get valid(): boolean;
    get invalidReason(): null | string;
    /**
     * Returns all characters between "$" and "<CR><LF>".
     */
    protected get dataNoFixtures(): string;
    /**
     * Returns all fields (including the first field in the sentence) separated by comma.
     */
    get fields(): string[];
}