import type { ElevationConverter } from '../../index.js';
export interface IsoGrid {
    width: number;
    height: number;
    min: number;
    max: number;
    elevations: number[];
}
/**
 * Build a grid from image data and a conversion tool
 *
 * NOTE: Defaults to the Mapbox elevation data converter `convertMapboxElevationData`. However,
 * to use the Terrarium elevation data converter, use `convertTerrariumElevationData`.
 *
 * @param imageData - image data
 * @param elevationConverter - the conversion tool
 * @param tmsStyle - if true, the y position will be inverted
 * @returns the elevation grid
 */
export declare function getElevationGrid(imageData: ArrayBufferLike | Uint8Array<ArrayBufferLike> | Uint8ClampedArray<ArrayBufferLike> | Buffer<ArrayBufferLike> | ImageData, elevationConverter?: ElevationConverter, tmsStyle?: boolean): Promise<IsoGrid>;
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