import { StreamDelta, DeviceDelta, Device, Stream, Project } from "../models";
import { SerializedDelta } from "../base/model-delta";
import { Category } from "typescript-logging";
export interface SerializedOverlay {
    [key: string]: {
        [key: string]: SerializedDelta;
    };
}
export declare class ProjectOverlay {
    private deltaMap;
    private deserializerMap;
    constructor(deltas?: (StreamDelta | DeviceDelta)[]);
    isEmpty(): boolean;
    toList(): (StreamDelta | DeviceDelta)[];
    merge(overlay: ProjectOverlay): void;
    affectedStreamModels(): string[];
    affectedDeviceModels(): string[];
    patchForDevice(device: Device): {};
    patchForStream(stream: Stream): {};
    deviceModified(deviceSlug: string): boolean;
    deviceHasDelta(deviceSlug: string, deltaName: string): boolean;
    variableModified(variableLid: string): boolean;
    private loadDeserializers;
    prune(project: Project): void;
    applyDevice(device: Device, markModified: boolean): void;
    applyStream(stream: Stream, markModified: boolean): void;
    addDelta(delta: StreamDelta | DeviceDelta): void;
    addDeltas(deltas: (StreamDelta | DeviceDelta)[]): void;
    serialize(): SerializedOverlay;
    private deserialize;
    static Deserialize(obj: SerializedOverlay, log?: Category): ProjectOverlay;
}