import type { Rect } from '../utils/vision.js';
export interface DetectedBox extends Rect {
    id: number;
    /** Text found inside the box on the blank screenshot (buttons, dropdowns, tabs). Absent when empty. */
    value?: string;
}
export interface BoxCluster {
    /** Box IDs that are spatially adjacent on the same visual row. */
    boxIds: number[];
}
export declare function kebab(name: string): string;
export declare function unionRects(rects: Rect[]): Rect;
export declare function insetRect(rect: Rect, pad?: number): Rect;
/** Move a screen-space rect into the crop's coordinate system. */
export declare function relativeToCrop(rect: Rect, crop: Rect): Rect;
/** Slice a rect by horizontal fractions in [0, 1]. */
export declare function sliceRectHorizontal(rect: Rect, start: number, end: number): Rect;
export declare function evenHorizontalSlices(rect: Rect, count: number): Rect[];
/** Bright column runs inside a merged field (cells vs `/` gutters). */
export declare function findAlignedCells(columnMeans: number[], count: number, minWidth?: number, bright?: number): Array<{
    start: number;
    end: number;
}> | null;
/** Bright cells in a row separated by dark gutters (dates, id + name). */
export declare function findCellRow(columnMeans: number[], minCount?: number, minWidth?: number, bright?: number): Array<{
    start: number;
    end: number;
}> | null;
/** Short mid-gray bands between bright rows (repeating row gutters). */
export declare function findHairlineDividers(rowMeans: number[], midLo?: number, midHi?: number, bright?: number): number[];
/** Slice a tall rect into rows when hairlines repeat. */
export declare function splitRowGutters(parent: Rect, rowMeans: number[]): Rect[] | null;
/** Split a rect on visible gutters: columns if short, rows if tall. */
export declare function splitBoxGutters(box: Rect, columnMeans: number[], rowMeans: number[]): Rect[] | null;
export declare function cellRunsToRects(parent: Rect, runs: Array<{
    start: number;
    end: number;
}>, inset?: number): Rect[];
/** Value box relative to the match crop. Dropdowns drop the spinner on the right. */
export declare function ocrRectFromBoxes(crop: Rect, fieldBoxes: Rect[], type?: string, pad?: number): Rect;
export declare function includeLabelForType(type?: string, override?: boolean): boolean;
/** First in-form x walking left from the field — stop before window chrome. */
export declare function formLeftEdge(png: {
    width: number;
    height: number;
    data: Buffer | Uint8Array;
}, rect: Rect, dark?: number): number | null;
/** Grow the crop left from the value box(es) to include the label. */
export declare function expandLeftForLabel(boxes: DetectedBox[], fieldBoxes: DetectedBox[], pad?: number, maxLabel?: number, png?: {
    width: number;
    height: number;
    data: Buffer | Uint8Array;
}): Rect;
export declare function containedRatio(inner: Rect, outer: Rect): number;
/** Drop a container that already has inner cells. Keep the inners. */
export declare function splitMergedFields(boxes: Rect[], minKids?: number): Rect[];
/** Drop boxes that sit mostly inside a larger box (text scraps inside a button). */
export declare function dropNestedBoxes(boxes: Rect[], ratio?: number): Rect[];
export declare function dedupeBoxes(raw: Rect[]): Rect[];
export declare function numberBoxes(boxes: Rect[]): DetectedBox[];
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