export declare const NfcUriProtocols: string[];
export interface NdefListenerOptions {
    /**
     * iOS only (for now).
     * Default false.
     */
    stopAfterFirstRead?: boolean;
    /**
     * On iOS the scan UI can show a scan hint (fi. "Scan a tag").
     * By default no hint is shown.
     */
    scanHint?: string;
}
export interface TextRecord {
    /**
     * String of text to encode.
     */
    text: string;
    /**
     * ISO/IANA language code. Examples: 'fi', 'en-US'.
     * Default 'en'.
     */
    languageCode?: string;
    /**
     * Default [].
     */
    id?: Array<number>;
}
export interface UriRecord {
    /**
     * String representing the uri to encode.
     */
    uri: string;
    /**
     * Default [].
     */
    id?: Array<number>;
}
export interface WriteTagOptions {
    textRecords?: Array<TextRecord>;
    uriRecords?: Array<UriRecord>;
}
export interface NfcTagData {
    id?: Array<number>;
    techList?: Array<string>;
}
export interface NfcNdefRecord {
    id: Array<number>;
    tnf: number;
    type: number;
    payload: string;
    payloadAsHexString: string;
    payloadAsStringWithPrefix: string;
    payloadAsString: string;
}
export interface NfcNdefData extends NfcTagData {
    message: Array<NfcNdefRecord>;
    /**
     * Android only
     */
    type?: string;
    /**
     * Android only
     */
    maxSize?: number;
    /**
     * Android only
     */
    writable?: boolean;
    /**
     * Android only
     */
    canMakeReadOnly?: boolean;
}
export interface OnTagDiscoveredOptions {
    /**
     * On iOS the scan UI can show a message (fi. "Scan a tag").
     * By default no message is shown.
     */
    message?: string;
}
export interface NfcApi {
    available(): Promise<boolean>;
    enabled(): Promise<boolean>;
    writeTag(arg: WriteTagOptions): Promise<any>;
    eraseTag(): Promise<any>;
    /**
     * Set to null to remove the listener.
     */
    setOnTagDiscoveredListener(callback: (data: NfcTagData) => void): Promise<any>;
    /**
     * Set to null to remove the listener.
     */
    setOnNdefDiscoveredListener(callback: (data: NfcNdefData) => void, options?: NdefListenerOptions): Promise<any>;
}
export declare class Nfc implements NfcApi {
    available(): Promise<boolean>;
    enabled(): Promise<boolean>;
    eraseTag(): Promise<any>;
    setOnNdefDiscoveredListener(callback: (data: NfcNdefData) => void, options?: NdefListenerOptions): Promise<any>;
    setOnTagDiscoveredListener(callback: (data: NfcTagData) => void): Promise<any>;
    writeTag(arg: WriteTagOptions): Promise<any>;
}