/**
 * Known leaf primitives — components with intrinsic/fixed dimensions
 * that do NOT need onLayout handlers to report their size to parents.
 *
 * These are filtered out of boundary gap detection to reduce noise.
 */
export declare const KNOWN_LEAF_PRIMITIVES: Set<string>;
/**
 * React Native Animated primitives — components that are animated
 * wrappers of core primitives. These are treated as primitives by
 * the Vein Propagation Engine (not walked into for child resolution).
 */
export declare const RN_ANIMATED_PRIMITIVES: Set<string>;
/**
 * Check if a component name matches a known leaf primitive.
 * Handles both exact matches and icon-suffixed names (e.g., *Icon, *IconComponent).
 */
export declare function isKnownLeafPrimitive(name: string): boolean;
/**
 * Default tolerance for contract validation (in pixels).
 * Δ ≤ STRICT: PASS (noise threshold for float rounding)
 * Δ ≤ WARN:  WARN (visible but small)
 * Δ > WARN:  FAIL (definitely broken)
 */
export declare const CONTRACT_TOLERANCE: {
    readonly STRICT: 2;
    readonly WARN: 10;
};
/**
 * Standard iOS status bar height.
 */
export declare const STATUS_BAR_HEIGHT = 44;
/**
 * Default buffer for header↔scrollview padding equation.
 */
export declare const CONTRACT_BUFFER = 20;
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