/** Default icon size in pixels (both width and height for square icons) */
export declare const DEFAULT_ICON_SIZE = 40;
/** Gap between icon and label in pixels */
export declare const ICON_LABEL_GAP = 8;
/** Line height for node labels in pixels */
export declare const LABEL_LINE_HEIGHT = 16;
/** Vertical padding inside node box in pixels */
export declare const NODE_VERTICAL_PADDING = 16;
/** Horizontal padding inside node box in pixels */
export declare const NODE_HORIZONTAL_PADDING = 16;
/** Minimum spacing between ports in pixels (fallback when no labels) */
export declare const MIN_PORT_SPACING = 48;
/** Port label font size in pixels */
export declare const PORT_LABEL_FONT_SIZE = 9;
/** Character width ratio relative to font size (for proportional fonts ~0.55, monospace ~0.6) */
export declare const CHAR_WIDTH_RATIO = 0.55;
/** Padding around port label for spacing calculation */
export declare const PORT_LABEL_PADDING = 16;
/** Maximum icon width as percentage of node width (0.0 - 1.0) */
export declare const MAX_ICON_WIDTH_RATIO = 0.6;
/** Estimated character width for node label width calculation (larger font) */
export declare const ESTIMATED_CHAR_WIDTH = 7;
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