export type SmartDimensionKind = 'distance' | 'dx' | 'dy' | 'angle' | 'radius' | 'diameter';
export type SmartSegmentEndpointKey = 'p1' | 'p2';
export interface SmartPointLike {
    readonly type: 'point';
    readonly x: number;
    readonly y: number;
    readonly id?: number;
}
export interface SmartVertexLike {
    readonly x: number;
    readonly y: number;
}
export interface SmartSegmentLike {
    readonly type: 'segment';
    readonly x1: number;
    readonly y1: number;
    readonly x2: number;
    readonly y2: number;
    readonly midX?: number;
    readonly midY?: number;
    readonly p1?: SmartVertexLike;
    readonly p2?: SmartVertexLike;
    readonly id?: number;
}
export interface SmartCurveLike {
    readonly type: 'circle' | 'arc';
    readonly cx: number;
    readonly cy: number;
    readonly radius: number;
    readonly sweepAngle?: number;
    readonly id?: number;
}
export type SmartDimensionEntityLike = SmartPointLike | SmartSegmentLike | SmartCurveLike;
export interface SmartSegmentAngleInfo {
    readonly vx: number;
    readonly vy: number;
    readonly startAngle: number;
    readonly sweep: number;
    readonly angleEndpointAKey: SmartSegmentEndpointKey | null;
    readonly angleEndpointBKey: SmartSegmentEndpointKey | null;
}
export interface SmartDimensionCandidate {
    readonly dimType: SmartDimensionKind;
    readonly label?: string;
    readonly x1: number;
    readonly y1: number;
    readonly x2: number;
    readonly y2: number;
    readonly angleStart?: number;
    readonly angleSweep?: number;
    readonly angleEndpointAKey?: SmartSegmentEndpointKey | null;
    readonly angleEndpointBKey?: SmartSegmentEndpointKey | null;
    readonly sourceA?: SmartDimensionEntityLike;
    readonly sourceB?: SmartDimensionEntityLike | null;
}
interface SmartAngleInfoOptions {
    readonly endpointAKey?: SmartSegmentEndpointKey | null;
    readonly endpointBKey?: SmartSegmentEndpointKey | null;
}
export declare function prefersDiameterByDefault(shape: SmartDimensionEntityLike | null | undefined): boolean;
export declare function buildSmartSegmentAngleInfo(segA: SmartSegmentLike, segB: SmartSegmentLike, options?: SmartAngleInfoOptions): SmartSegmentAngleInfo;
export declare function detectDimensionType(a: SmartDimensionEntityLike, b?: SmartDimensionEntityLike | null): SmartDimensionCandidate | null;
export declare function detectAllDimensionTypes(a: SmartDimensionEntityLike, b?: SmartDimensionEntityLike | null): SmartDimensionCandidate[];
export declare const smartDimensions: Readonly<{
    prefersDiameterByDefault: typeof prefersDiameterByDefault;
    detectDimensionType: typeof detectDimensionType;
    detectAllDimensionTypes: typeof detectAllDimensionTypes;
    buildSmartSegmentAngleInfo: typeof buildSmartSegmentAngleInfo;
}>;
export {};