import { type DetectedBox } from './geometry.js';
export interface DetectedLabel {
    id: number;
    x: number;
    y: number;
    width: number;
    height: number;
    text: string;
    confidence?: number;
}
export interface OcrWord {
    text: string;
    confidence: number;
    x: number;
    y: number;
    width: number;
    height: number;
}
/** Join words that sit on one line with a small gap ("Customer" + "Number:"). */
export declare function clusterOcrWords(words: OcrWord[], maxGap?: number): OcrWord[];
/**
 * Turn OCR words into label boxes the AI can join to controls, and collect any
 * text found inside control boxes (button/dropdown/tab labels on the blank form).
 */
export declare function labelsAndValuesFromOcr(words: OcrWord[], boxes: DetectedBox[]): {
    labels: DetectedLabel[];
    boxValues: Map<number, string>;
};
/** Turn OCR words into label boxes the AI can join to controls. Drops chrome inside fields/buttons. */
export declare function labelsFromOcr(words: OcrWord[], boxes: DetectedBox[]): DetectedLabel[];
export declare function tessBBox(bbox: {
    x0?: number;
    y0?: number;
    x1?: number;
    y1?: number;
    x?: number;
    y?: number;
    width?: number;
    height?: number;
} | undefined): OcrWord | null;
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