import type { IActionContext } from '@comunica/types';
import type { IQuerySourceSerialized, IQuerySourceUnidentifiedExpanded, IQuerySourceUnidentifiedExpandedRawContext } from '@comunica/types/lib/IQuerySource';
import type * as RDF from '@rdfjs/types';
import type { AsyncIterator } from 'asynciterator';
import type { Stream } from 'readable-stream';
export type NonStreamingQuerySource = string | {
    type?: string;
    value: string;
    context?: IActionContext;
} | {
    type?: string;
    value: string;
    context?: Record<string, any>;
};
export interface IQuerySourceStreamElement {
    isAddition: boolean;
    querySource: NonStreamingQuerySource;
}
export type QuerySourceStream = AsyncIterator<IQuerySourceStreamElement>;
export type QuerySourceStreamExpanded = {
    type: 'stream';
    value: AsyncIterator<IQuerySourceStreamElement>;
    context?: IActionContext;
};
export type QuerySourceUnidentifiedExpanded = IQuerySourceUnidentifiedExpanded | IQuerySourceSerialized | QuerySourceStreamExpanded;
export type ContextQuerySourceStream = AsyncIterator<IQuerySourceStreamElement | NonStreamingQuerySource> | Stream;
export type ContextQuerySource = string | RDF.Source | RDF.Store | QuerySourceUnidentifiedExpanded | IQuerySourceUnidentifiedExpandedRawContext | ContextQuerySourceStream;