import { ElementSize } from './size';
export interface CanvasBoxSizeInput {
    /** 为 true 时跟随父容器尺寸（需父级有明确高度） */
    fill?: boolean;
    width?: number;
    height?: number;
    defaultWidth: number;
    defaultHeight: number;
    measured: ElementSize;
}
export interface CanvasBoxSize {
    width: number;
    height: number;
    /** 是否处于 fill 模式且尚未量到有效尺寸 */
    pending: boolean;
}
/** 根据 fill / 显式宽高 / 测量结果解析画布逻辑尺寸 */
export declare const resolveCanvasBoxSize: ({ fill, width, height, defaultWidth, defaultHeight, measured, }: CanvasBoxSizeInput) => CanvasBoxSize;