import { Index } from '../../ast/entity';
import { Constraint } from '../../ast/entity/constraint';
export declare class ForeignKey extends Constraint {
    private tableName;
    static NO_ACTION: number;
    static RESTRICT: number;
    static CASCADE: number;
    static SET_NULL: number;
    private references;
    private updateAction;
    private deleteAction;
    constructor(tableName: string);
    getTableName(): string;
    setTableName(tableName: string): void;
    getReferences(): Index;
    getUpdateAction(): number;
    setUpdateAction(updateAction: number): void;
    setUpdateActionFromString(action: string): void;
    getDeleteAction(): number;
    setDeleteAction(deleteAction: number): void;
    setDeleteActionFromString(action: string): void;
    getDeleteActionText(): string;
    getUpdateActionText(): string;
}