import { Transparency } from "../State";
export declare enum OrthoAction {
    TOGGLE_ORTHO_PHOTO = "TOGGLE_ORTHO_PHOTO",
    SET_TRANSPARENCY_ORTHO_PHOTO = "SET_TRANSPARENCY_ORTHO_PHOTO",
    SET_LOADED_SETTLEMENTS = "SET_LOADED_SETTLEMENTS"
}
interface ToggleLayerOrthoPhoto {
    type: OrthoAction.TOGGLE_ORTHO_PHOTO;
    payload: {
        isShowing: boolean;
        year?: number;
    };
}
interface SetOrthoTransparency {
    type: OrthoAction.SET_TRANSPARENCY_ORTHO_PHOTO;
    payload: {
        transparency: Transparency;
    };
}
interface SetLoadedSettlements {
    type: OrthoAction.SET_LOADED_SETTLEMENTS;
    payload: {
        settlements: string[];
    };
}
export type OrthoPhotoActions = ToggleLayerOrthoPhoto | SetOrthoTransparency | SetLoadedSettlements;
export declare function toggleOrthoPhoto(isShowing: boolean, year?: number): ToggleLayerOrthoPhoto;
export declare function setTransparencyOrtho(transparency: Transparency): SetOrthoTransparency;
export declare function setLoadedSettlements(settlements: string[]): SetLoadedSettlements;
export {};