export declare class TableUtils {
    private designViewModelUtils;
    private formSchemaUtils;
    private viewModelId;
    constructor(designViewModelUtils: any, formSchemaUtils: any, viewModelId: string);
    /**
     * 移除单元格内的绑定、表达式等
     */
    removeDesignViewModelFieldInColumns(columns: any[]): void;
    /**
     * 移除表达式
     */
    private removeExpression;
    /** References data-grid: checks if expression is reused by other controls before deletion. */
    private checkExpressionOccupiedRepeated;
}