/**
 * RiskScore - Value Object
 *
 * @remarks
 * Represents a normalized risk value produced by the core semantic layers.
 *
 * - Value range is **0.0 to 1.0**
 * - `0`   = no risk detected
 * - `1`   = maximum risk confidence
 *
 * Although this type aliases `number`, it is intentionally defined
 * as a value object to preserve **semantic meaning**, enforce conceptual clarity,
 * and stabilize public contracts across layers and SDKs.
 *
 * This type MUST NOT be interpreted as a decision signal.
 * Decisions based on RiskScore belong to higher layers (AAL / SDK).
 */
/**
 * RiskScore type - normalized risk value between 0.0 and 1.0
 */
export type RiskScore = number;
/**
 * Minimum valid risk score value
 */
export declare const MIN_RISK_SCORE: RiskScore;
/**
 * Maximum valid risk score value
 */
export declare const MAX_RISK_SCORE: RiskScore;
/**
 * Creates a valid RiskScore value
 *
 * @param value - Numeric value to validate and normalize
 * @returns Validated RiskScore
 * @throws {Error} If value is outside valid range [0.0, 1.0]
 */
export declare function createRiskScore(value: number): RiskScore;
/**
 * Normalizes a risk score to the valid range [0.0, 1.0]
 *
 * @param value - Numeric value to normalize
 * @returns Normalized RiskScore clamped to [0.0, 1.0]
 */
export declare function normalizeRiskScore(value: number): RiskScore;
/**
 * Checks if a risk score is considered high
 *
 * @param score - RiskScore to evaluate
 * @param threshold - Threshold for high risk (default: 0.7)
 * @returns true if score >= threshold
 */
export declare function isHighRiskScore(score: RiskScore, threshold?: number): boolean;
/**
 * Checks if a risk score is considered medium
 *
 * @param score - RiskScore to evaluate
 * @param lowThreshold - Lower threshold (default: 0.3)
 * @param highThreshold - Upper threshold (default: 0.7)
 * @returns true if score is in medium range
 */
export declare function isMediumRiskScore(score: RiskScore, lowThreshold?: number, highThreshold?: number): boolean;
/**
 * Checks if a risk score is considered low
 *
 * @param score - RiskScore to evaluate
 * @param threshold - Threshold for low risk (default: 0.3)
 * @returns true if score < threshold
 */
export declare function isLowRiskScore(score: RiskScore, threshold?: number): boolean;
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