import React from 'react';
import { Static } from '@sinclair/typebox';
import { WidgetProps } from '../../types/widget';
import { CORE_VERSION, CoreWidgetName } from '@sunmao-ui/shared';
export declare function isNumeric(x: string | number): boolean;
export declare const ExpressionWidgetOptionsSpec: import("@sinclair/typebox").TObject<import("@sinclair/typebox").StaticProperties<{
    compactOptions: import("@sinclair/typebox").TOptional<import("@sinclair/typebox").TObject<import("@sinclair/typebox").StaticProperties<{
        height: import("@sinclair/typebox").TOptional<import("@sinclair/typebox").TString>;
        paddingY: import("@sinclair/typebox").TOptional<import("@sinclair/typebox").TString>;
        isHiddenExpand: import("@sinclair/typebox").TOptional<import("@sinclair/typebox").TBoolean>;
    }>>>;
}>>;
declare type ExpressionWidgetType = `${typeof CORE_VERSION}/${CoreWidgetName.Expression}`;
declare module '../../types/widget' {
    interface WidgetOptionsMap {
        'core/v1/expression': Static<typeof ExpressionWidgetOptionsSpec>;
    }
}
export declare const ExpressionWidget: React.FC<WidgetProps<ExpressionWidgetType>>;
declare const _default: {
    kind: string;
    impl: React.ComponentType<WidgetProps<"core/v1/expression", any>>;
    version: string;
    metadata: {
        name: string;
    };
    spec?: {
        options?: import("json-schema").JSONSchema7 | undefined;
    } | undefined;
};
export default _default;