type Viewport = {
    bounds: google.maps.LatLngBounds | null;
    center: google.maps.LatLng;
    zoom: number;
};
export default function useViewportController(): {
    getViewport: (gMap: google.maps.Map) => Viewport;
    hasViewportChanged: (newViewPort: Viewport) => boolean;
    isProgrammaticMove: import('vue').Ref<boolean, boolean>;
    isUserMove: import('vue').Ref<boolean, boolean>;
    lastSearchViewport: import('vue').Ref<{
        bounds: {
            contains: (latLng: google.maps.LatLng | google.maps.LatLngLiteral) => boolean;
            equals: (other: google.maps.LatLngBounds | google.maps.LatLngBoundsLiteral | null) => boolean;
            extend: (point: google.maps.LatLng | google.maps.LatLngLiteral) => google.maps.LatLngBounds;
            getCenter: () => google.maps.LatLng;
            getNorthEast: () => google.maps.LatLng;
            getSouthWest: () => google.maps.LatLng;
            intersects: (other: google.maps.LatLngBounds | google.maps.LatLngBoundsLiteral) => boolean;
            isEmpty: () => boolean;
            toJSON: () => google.maps.LatLngBoundsLiteral;
            toSpan: () => google.maps.LatLng;
            toString: () => string;
            toUrlValue: (precision?: number) => string;
            union: (other: google.maps.LatLngBounds | google.maps.LatLngBoundsLiteral) => google.maps.LatLngBounds;
        };
        center: {
            equals: (other: google.maps.LatLng | google.maps.LatLngLiteral | null | undefined) => boolean;
            lat: () => number;
            lng: () => number;
            toJSON: () => google.maps.LatLngLiteral;
            toString: () => string;
            toUrlValue: (precision?: number) => string;
        };
        zoom: number;
    }, Viewport | {
        bounds: {
            contains: (latLng: google.maps.LatLng | google.maps.LatLngLiteral) => boolean;
            equals: (other: google.maps.LatLngBounds | google.maps.LatLngBoundsLiteral | null) => boolean;
            extend: (point: google.maps.LatLng | google.maps.LatLngLiteral) => google.maps.LatLngBounds;
            getCenter: () => google.maps.LatLng;
            getNorthEast: () => google.maps.LatLng;
            getSouthWest: () => google.maps.LatLng;
            intersects: (other: google.maps.LatLngBounds | google.maps.LatLngBoundsLiteral) => boolean;
            isEmpty: () => boolean;
            toJSON: () => google.maps.LatLngBoundsLiteral;
            toSpan: () => google.maps.LatLng;
            toString: () => string;
            toUrlValue: (precision?: number) => string;
            union: (other: google.maps.LatLngBounds | google.maps.LatLngBoundsLiteral) => google.maps.LatLngBounds;
        };
        center: {
            equals: (other: google.maps.LatLng | google.maps.LatLngLiteral | null | undefined) => boolean;
            lat: () => number;
            lng: () => number;
            toJSON: () => google.maps.LatLngLiteral;
            toString: () => string;
            toUrlValue: (precision?: number) => string;
        };
        zoom: number;
    }>;
    runProgrammaticMove: (fn: Function) => void;
    showSearchAreaButton: import('vue').Ref<boolean, boolean>;
};
export {};