export type PosType = 'verb' | 'noun' | 'adj' | 'adv' | 'all';
export type StreamPiece = [number, number, number, number];
export interface Interval {
    lo: number;
    hi: number;
    raw_start: number;
    raw_end: number;
    pattern_name: string;
    match_text: string;
}
export declare function getPosReplacement(posTag: string | undefined, posType: PosType): string | null;
export declare function bisectRight(arr: number[], val: number): number;
export declare function bisectLeft(arr: number[], val: number): number;
export declare function coveredSentenceRange(spans: Array<[number, number]>, start: number, end: number): [number, number] | null;
export declare function mapStreamToRaw(pieces: StreamPiece[], streamStart: number, streamEnd: number, streamStarts?: number[], streamEnds?: number[]): [number, number] | null;
export declare function collectStage1Candidates(tNorm: string, spans: Array<[number, number]>, regexes: Record<string, RegExp>, prefix: string): Interval[];
export declare function collectStage2Candidates(tNorm: string, spans: Array<[number, number]>, regexes: Record<string, RegExp>, stream: string, pieces: StreamPiece[], prefix: string): Interval[];
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