/// <reference types="node" />
import { OutputInfo } from "sharp";
import { Rect } from "./utils";
interface SharpInfoBuffer {
    info: OutputInfo;
    data: Buffer;
}
export declare class ImageAnalyzer {
    info: OutputInfo;
    private _boundary?;
    private _boundaryLines?;
    readonly data: Uint8ClampedArray;
    constructor({ info, data }: SharpInfoBuffer);
    readIndexedAlpha(index: number): number;
    readPositionedAlpha(x: number, y: number): number;
    isCompleteFilled(): boolean;
    getRectBoundary(): Rect;
    getBoundary(): Uint16Array;
    getBoundaryLines(): Uint16Array[] | number[][];
}
export {};