import { DataToken } from './datatoken.js';
import { Range } from './range.js';
export type Signal<DataType, SequenceType> = {
    value: {
        index: SequenceType;
        data?: DataType;
    };
    done: boolean;
};
export declare const Signal: {
    of: <K, T>(done: boolean, seq: T, data?: K) => Signal<K, T>;
    done: <K, T>(seq: T, data?: K) => Signal<K, T>;
    next: <K, T>(seq: T, data?: K) => Signal<K, T>;
    hasData: (signal: Signal<Range.ReadOutput[], any>) => boolean;
    hasSeq: (signal: Signal<any, any>) => boolean;
    toDataToken: (data: Signal<string, number>) => DataToken;
    describes: (data: any) => any;
    closedIndex: (signal: Signal<any, any>) => any;
    isDone: (signal: Signal<any, any>) => "COMPLETE" | "ONGOING";
};
//# sourceMappingURL=signal.d.ts.map