import { ClientResolvableLoadRule } from '../../fx-models';
export declare class Utils {
    static ensureValidManifestId: (id: string, errorMsg?: string) => string;
    static ensureValidServiceId: (id: string, errorMsg?: string) => string;
    static ensureValidElementName: (name: string, errorMsg?: string) => string;
    static validateSupportedLoadRuleTypes: (rules: Array<ClientResolvableLoadRule>) => void;
    static validateSupportedLoadRuleType: (rule: ClientResolvableLoadRule) => void;
    static isValidGuid: (value: string) => boolean;
    static isNull: (obj: any) => boolean;
    static isNullOrEmpty: (obj: any) => boolean;
    static getPropertyPathInExpression(exp: (obj: any) => any): string[];
    static getPropertyPathAndConfigurationInExpression(exp: (obj: any) => any): [string, object];
}