import { IPaintObject } from "../../../../ImageViewer/Layers";
declare type ObjectType = string;
declare type PropertyKey = string;
interface PropertyValueMap {
    [key: PropertyKey]: any;
}
export declare class PaintObjectDefaultsManager {
    private static factoryDefaults;
    private static userOverrides;
    private static excludedProps;
    /**
     * Checks whether factory default properties have already been registered
     * for the given object type.
     *
     * @param type - The paint object type to check.
     * @returns True if factory defaults are registered, false otherwise.
     */
    static hasFactoryDefaults(type: ObjectType): boolean;
    /**
     * Registers the default properties for a specific object instance's type.
     * This method saves the initial "factory" property values for the type
     * and should only be called once per type (typically on first object creation).
     * Subsequent calls for the same type will be ignored.
     *
     * @param obj - The paint object instance whose properties will be registered as defaults.
     */
    static registerDefaultsForObject(obj: IPaintObject): void;
    /**
     * Saves a user-modified property to override defaults.
     */
    static saveUserProperty(type: ObjectType, key: PropertyKey, value: any): void;
    /**
     * Saves all properties from the given object as user overrides for its type.
     * Only properties that are not excluded and exist in factory defaults will be saved.
     *
     * @param obj - The paint object instance whose properties should be saved
     */
    static saveAllPropertiesFromObject(obj: IPaintObject): void;
    /**
     * Returns the merged properties (factory defaults + user overrides) for a type.
     */
    static getMergedProperties(type: ObjectType): PropertyValueMap;
    /**
     * Resets user overrides to factory defaults for a specific type.
     */
    static resetUserOverrides(type: ObjectType): void;
    /**
     * Sets which property names should be ignored when saving.
     */
    static setExcludedProperties(props: PropertyKey[]): void;
    private static extractRelevantProperties;
}
export {};