import { Layout } from './layout';
import { ProjectionNodeBehavior } from './projection-node-behavior';
import { Measurement, Projection, ProjectionNode } from './projection-node-experimental';
export interface BorderRadiusMeasurement extends Measurement {
    borderRadiuses: BorderRadiusConfig;
}
export interface BorderRadiusConfig {
    topLeft: BorderRadiusCornerConfig;
    topRight: BorderRadiusCornerConfig;
    bottomLeft: BorderRadiusCornerConfig;
    bottomRight: BorderRadiusCornerConfig;
}
export declare class CalibrateBorderRadius extends ProjectionNodeBehavior {
    private measurer;
    constructor(kernel: ProjectionNode, measurer: BorderRadiusMeasurer);
    measure(): BorderRadiusMeasurement;
    measurement(): BorderRadiusMeasurement | null;
    project(dest: Layout): Projection;
}
export declare class BorderRadiusMeasurer {
    protected parser: CssBorderRadiusParser;
    constructor(parser: CssBorderRadiusParser);
    measure(element: HTMLElement, layout?: Layout): BorderRadiusConfig;
}
export declare class CssBorderRadiusParser {
    parse(style: string, width: number, height: number): BorderRadiusCornerConfig;
}
export interface BorderRadiusCornerConfig {
    x: number;
    y: number;
}
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