import { Coordinate } from './coordinate';
import { Extent } from './extent';
import Projection from './proj/Projection';
import Units from './proj/Units';

export type ProjectionLike = Projection | string;
export type TransformFunction = (p0: number[], p1?: number[], p2?: number) => number[];
export function addCommon(): void;
export function addCoordinateTransforms(source: ProjectionLike, destination: ProjectionLike, forward: (p0: Coordinate) => Coordinate, inverse: (p0: Coordinate) => Coordinate): void;
export function addEquivalentProjections(projections: Projection[]): void;
export function addEquivalentTransforms(projections1: Projection[], projections2: Projection[], forwardTransform: TransformFunction, inverseTransform: TransformFunction): void;
export function addProjection(projection: Projection): void;
export function addProjections(projections: Projection[]): void;
export function clearAllProjections(): void;
export function cloneTransform(input: number[], opt_output?: number[], opt_dimension?: number): number[];
export function createProjection(projection: Projection | string | undefined, defaultCode: string): Projection;
export function createTransformFromCoordinateTransform(coordTransform: (p0: Coordinate) => Coordinate): TransformFunction;
export function equivalent(projection1: Projection, projection2: Projection): boolean;
export function fromLonLat(coordinate: Coordinate, opt_projection?: ProjectionLike): Coordinate;
export function get(projectionLike: ProjectionLike): Projection;
export function getPointResolution(projection: ProjectionLike, resolution: number, point: Coordinate, opt_units?: Units): number;
export function getTransform(source: ProjectionLike, destination: ProjectionLike): TransformFunction;
export function getTransformFromProjections(sourceProjection: Projection, destinationProjection: Projection): TransformFunction;
export function identityTransform(input: number[], opt_output?: number[], opt_dimension?: number): number[];
export function toLonLat(coordinate: Coordinate, opt_projection?: ProjectionLike): Coordinate;
export function transform(coordinate: Coordinate, source: ProjectionLike, destination: ProjectionLike): Coordinate;
export function transformExtent(extent: Extent, source: ProjectionLike, destination: ProjectionLike): Extent;
export function transformWithProjections(point: Coordinate, sourceProjection: Projection, destinationProjection: Projection): Coordinate;