import * as Cesium from 'cesium';
import { U32CancelFuncType } from './U32CancelStatus';
export declare type SlopResultType = {
    rotation: [number, number, number];
    position: [number, number, number];
    endPosition: [number, number, number];
};
export declare function computeSlope(options: {
    position: [number, number, number];
    gridSize: number;
    viewer: Cesium.Viewer;
}, funcs: U32CancelFuncType): Promise<{
    errorCode: number;
    error: string;
    result?: undefined;
} | {
    result: SlopResultType;
    errorCode?: undefined;
    error?: undefined;
}>;