export interface FigmaRgba {
    r: number;
    g: number;
    b: number;
    a?: number;
}
export interface FigmaFrameSummary {
    id: string;
    name: string;
    type: string;
    text: string[];
    colors: string[];
    typography: Array<{
        family?: string;
        size?: number;
        weight?: number;
        lineHeight?: number;
    }>;
    spacing: number[];
    radii: number[];
}
export interface FigmaContextNode {
    id: string;
    name: string;
    type: string;
    box?: {
        x: number;
        y: number;
        width: number;
        height: number;
    };
    text?: {
        characters: string;
        truncated: boolean;
        fontFamily?: string;
        fontWeight?: number;
        fontSize?: number;
        lineHeightPx?: number;
        lineHeightPercent?: number;
        letterSpacing?: number;
        textAlignHorizontal?: string;
        textCase?: string;
        textDecoration?: string;
    };
    fills?: Array<{
        type: string;
        color?: string;
        opacity?: number;
        angleDeg?: number;
        stops?: Array<{
            position: number;
            color: string;
        }>;
        imageRef?: string;
        scaleMode?: string;
    }>;
    opacity?: number;
    blendMode?: string;
    rotation?: number;
    isMask?: boolean;
    strokes?: {
        paints: NonNullable<FigmaContextNode["fills"]>;
        weight?: number;
        align?: string;
    };
    cornerRadius?: number | [number, number, number, number];
    effects?: Array<{
        type: string;
        color?: string;
        offset?: {
            x: number;
            y: number;
        };
        radius?: number;
        spread?: number;
    }>;
    layout?: {
        mode: string;
        primaryAxisAlignItems?: string;
        counterAxisAlignItems?: string;
        itemSpacing?: number;
        wrap?: string;
        padding: {
            top: number;
            right: number;
            bottom: number;
            left: number;
        };
        sizingHorizontal?: string;
        sizingVertical?: string;
    };
    componentId?: string;
    isComponent?: boolean;
    isInstance?: boolean;
    styles?: Record<string, string>;
    children?: FigmaContextNode[];
    childCount?: number;
    truncatedChildren?: boolean;
    truncatedDepth?: boolean;
}
export interface SummarizeFigmaNodeResult {
    node: FigmaContextNode;
    nodeCount: number;
    truncated: boolean;
}
export declare function summarizeFigmaNode(value: unknown, options?: {
    maxDepth?: number;
    maxNodes?: number;
}): SummarizeFigmaNodeResult;
export declare function extractFigmaTopLevelFrames(value: unknown): Record<string, unknown>[];
export declare function summarizeFigmaFrame(value: unknown): FigmaFrameSummary;
export declare function figmaColorToHex(color: FigmaRgba, opacity?: number): string;
export declare function compositeFigmaColors(foreground: FigmaRgba, background: FigmaRgba): Required<FigmaRgba>;
export declare function figmaContrastRatio(a: FigmaRgba, b: FigmaRgba): number;
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