import { ContextService } from '../context';
import { DeriveContextServiceContract } from '../../models/context/update-context-method';
import { ViewRestriction } from '../../models/restrictions';
type RestrictionContextFields = {
    readonly IS_VIEW_RESTRICTED: string;
    readonly VIEW_RESTRICTION: string;
};
type RestrictionContextFieldParams = {
    readonly IS_VIEW_RESTRICTED: boolean;
    readonly VIEW_RESTRICTION: ViewRestriction;
};
/**
 * Service for managing restriction context in the application.
 */
export declare class RestrictionContextService extends ContextService<RestrictionContextFields> implements DeriveContextServiceContract<RestrictionContextFields, RestrictionContextFieldParams> {
    readonly IS_VIEW_RESTRICTED = "isViewRestricted";
    readonly VIEW_RESTRICTION = "viewRestriction";
    /**
     * Updates the current isViewRestricted state and notifies subscribers.
     *
     * @param isViewRestricted The new isViewRestricted value.
     */
    updateIsViewRestricted(isViewRestricted: boolean): void;
    /**
     * Retrieves the isViewRestricted value from the current context.
     *
     * @returns The current isViewRestricted value, or `false` if not set.
     */
    isViewRestricted(): boolean;
    /**
     * Registers the <code>callbackFunction</code> to be called whenever the isViewRestricted state changes.
     *
     * @param callbackFunction - The function to call when the isViewRestricted state changes.
     * @returns A function to unsubscribe from updates.
     */
    onIsViewRestrictedChanged(callbackFunction: (isViewRestricted: boolean) => void): () => void;
    /**
     * Updates the current view restriction and notifies subscribers.
     *
     * @param viewRestriction The new view restriction value.
     */
    updateViewRestriction(viewRestriction: ViewRestriction): void;
    /**
     * Retrieves the view restriction from the current context.
     *
     * @returns The current view restriction, or `undefined` if not set.
     */
    viewRestriction(): ViewRestriction | undefined;
    /**
     * Registers the <code>callbackFunction</code> to be called whenever the view restriction changes.
     *
     * @param callbackFunction - The function to call when the view restriction changes.
     * @returns A function to unsubscribe from updates.
     */
    onViewRestrictionChanged(callbackFunction: (viewRestriction: ViewRestriction | undefined) => void): () => void;
}
export {};