import type { ComputedGetters, Project, State, ViewportFunctions } from '../types'

export interface ViewportHelper extends ViewportFunctions {
  viewportInitialized: boolean
  screenToFlowCoordinate: Project
  flowToScreenCoordinate: Project
}
export declare function useViewport(state: State, getters: ComputedGetters): import('vue').ComputedRef<ViewportHelper>