import type { TagItemAttribute } from './interface';
export type FieldOption = {
    field: string;
};
export type CallbackOption = (datum: any) => any;
export type AsType = {
    x: string;
    y: string;
    z: string;
    fontFamily: string;
    fontSize: string;
    fontStyle: string;
    fontWeight: string;
    angle: string;
};
export declare const transform: (options: {
    size?: [
        number,
        number
    ];
    fontFamily?: FieldOption | TagItemAttribute<string>;
    fontStyle?: FieldOption | TagItemAttribute<string>;
    fontWeight?: FieldOption | TagItemAttribute<string>;
    fontSize?: FieldOption | TagItemAttribute<number>;
    fontSizeRange?: [
        number,
        number
    ];
    rotate?: FieldOption | TagItemAttribute<number | number[]>;
    text: FieldOption | CallbackOption | string;
    spiral?: string;
    padding?: FieldOption | TagItemAttribute<number>;
    shape?: string;
    shrink?: boolean;
    enlarge?: boolean;
    clip?: boolean;
    minFontSize?: number;
    randomVisible?: boolean;
    as?: AsType;
    layoutType?: string;
    progressiveTime?: number;
    progressiveStep?: number;
    depth_3d?: number;
    postProjection?: string;
    dataIndexKey?: string;
    repeatFill?: boolean;
}, upstreamData: any[]) => any;