import { IPSOne2OneObjDEField } from './ipsone2-one-obj-defield';
import { PSFormulaDEFieldImpl } from './psformula-defield-impl';
import { IPSSysDynaModel } from '../../dynamodel/ipssys-dyna-model';
export declare class PSFormulaOne2OneObjDEFieldImpl extends PSFormulaDEFieldImpl implements IPSOne2OneObjDEField {
    protected refpssysdynamodel: IPSSysDynaModel | null;
    getRefPSSysDynaModel(): IPSSysDynaModel | null;
    get refPSSysDynaModel(): IPSSysDynaModel | null;
    getRefPSSysDynaModelMust(): IPSSysDynaModel;
    get cls(): string;
    instanceof(cls: string): boolean;
}
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