import { IfcConstraintEnum } from "./index.js";
import { IfcOrganization } from "./index.js";
import { IfcPerson } from "./index.js";
import { IfcPersonAndOrganization } from "./index.js";
import EntityTypesIfc from "./entity_types_ifc.gen.js";
import StepEntityInternalReference from "../../step/step_entity_internal_reference.js";
import StepEntityBase from "../../step/step_entity_base.js";
import StepModelBase from "../../step/step_model_base.js";
export declare abstract class IfcConstraint extends StepEntityBase<EntityTypesIfc> {
    get type(): EntityTypesIfc;
    private Name_?;
    private Description_?;
    private ConstraintGrade_?;
    private ConstraintSource_?;
    private CreatingActor_?;
    private CreationTime_?;
    private UserDefinedGrade_?;
    get Name(): string;
    get Description(): string | null;
    get ConstraintGrade(): IfcConstraintEnum;
    get ConstraintSource(): string | null;
    get CreatingActor(): IfcOrganization | IfcPerson | IfcPersonAndOrganization | null;
    get CreationTime(): string | null;
    get UserDefinedGrade(): string | null;
    constructor(localID: number, internalReference: StepEntityInternalReference<EntityTypesIfc>, model: StepModelBase<EntityTypesIfc, StepEntityBase<EntityTypesIfc>>, multiReference?: StepEntityInternalReference<EntityTypesIfc>[]);
    static readonly query: EntityTypesIfc[];
    static readonly expectedType: EntityTypesIfc;
}
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