import { BaseFieldOptions, DataTypes, Field } from '@nocobase/database';
export declare class ExcelFormulaField extends Field {
    get dataType(): DataTypes.StringDataTypeConstructor | DataTypes.DoubleDataTypeConstructor;
    calculate(expression: any, scope: any): any;
    initFieldData: ({ transaction }: {
        transaction: any;
    }) => Promise<void>;
    calculateField: (instance: any) => Promise<void>;
    updateFieldData: (instance: any, { transaction }: {
        transaction: any;
    }) => Promise<void>;
    bind(): void;
    unbind(): void;
    toSequelize(): any;
}
export interface ExcelFormulaFieldOptions extends BaseFieldOptions {
    type: 'excelFormula';
    dataType?: 'number' | 'string';
    expression: string;
}