/**
 * Multi-Dimensional Policy Space
 *
 * Based on Manifesto Project Database (Lehmann et al. 2024)
 * 6-dimensional policy positioning for parties and governments
 *
 * @module policy/PolicyVector
 */
/**
 * Policy dimension value (-1 to +1)
 */
export type PolicyDimensionValue = number;
/**
 * 6-Dimensional Policy Vector
 *
 * All dimensions normalized to -1 to +1 scale for comparability
 */
export interface PolicyVector {
    /**
     * Economic Policy
     * -1 = Heavy regulation, state control, wealth redistribution
     *  0 = Mixed economy
     * +1 = Free market, deregulation, low taxes
     *
     * Examples:
     * - Socialist parties: -0.8 to -0.6
     * - Social democrats: -0.4 to -0.2
     * - Christian democrats: -0.1 to +0.2
     * - Libertarians: +0.6 to +0.8
     */
    economic: PolicyDimensionValue;
    /**
     * Environmental Policy
     * -1 = Economic growth priority, weak environmental regulation
     *  0 = Balanced approach
     * +1 = Climate action priority, strong environmental protection
     *
     * Examples:
     * - Green parties: +0.7 to +0.9
     * - Social democrats: +0.3 to +0.5
     * - Conservative parties: -0.2 to +0.1
     * - Nationalist parties: -0.5 to -0.3
     */
    environmental: PolicyDimensionValue;
    /**
     * Technology Policy
     * -1 = Precautionary principle, heavy regulation
     *  0 = Balanced innovation and safety
     * +1 = Accelerationist, light-touch regulation
     *
     * Examples:
     * - Tech-friendly liberals: +0.5 to +0.7
     * - Pragmatic centrists: -0.1 to +0.2
     * - Traditional conservatives: -0.3 to -0.1
     * - Cautious greens: -0.4 to -0.2
     */
    technology: PolicyDimensionValue;
    /**
     * Social Policy
     * -1 = Traditional values, restricted rights
     *  0 = Moderate
     * +1 = Progressive, expanded rights
     *
     * Examples:
     * - Progressive parties: +0.6 to +0.9
     * - Centrist liberals: +0.2 to +0.4
     * - Conservatives: -0.3 to +0.1
     * - Religious conservatives: -0.7 to -0.4
     */
    social: PolicyDimensionValue;
    /**
     * Civil Liberties
     * -1 = Security priority, surveillance, control
     *  0 = Balanced
     * +1 = Privacy priority, individual freedoms
     *
     * Examples:
     * - Libertarians: +0.7 to +0.9
     * - Civil rights liberals: +0.4 to +0.6
     * - Mainstream parties: -0.1 to +0.2
     * - Authoritarian parties: -0.6 to -0.3
     */
    civilLiberties: PolicyDimensionValue;
    /**
     * International Relations
     * -1 = National sovereignty, protectionism
     *  0 = Pragmatic engagement
     * +1 = Multilateralism, international cooperation
     *
     * Examples:
     * - Pro-EU parties: +0.5 to +0.8
     * - Pragmatic centrists: +0.1 to +0.3
     * - Soft eurosceptics: -0.2 to 0
     * - Nationalists: -0.7 to -0.4
     */
    international: PolicyDimensionValue;
}
/**
 * Create a policy vector with validation
 */
export declare function createPolicyVector(partial: Partial<PolicyVector>): PolicyVector;
/**
 * Calculate Euclidean distance between two policy vectors
 * Used for coalition formation (parties closer in policy space form coalitions)
 *
 * Research: Laver (2020) - Spatial model of politics
 */
export declare function calculatePolicyDistance(v1: PolicyVector, v2: PolicyVector): number;
/**
 * Calculate centroid (average) of multiple policy vectors
 * Used to find coalition policy position
 */
export declare function calculatePolicyCentroid(vectors: PolicyVector[]): PolicyVector;
/**
 * Weighted centroid (for coalition with different seat shares)
 */
export declare function calculateWeightedPolicyCentroid(vectors: PolicyVector[], weights: number[]): PolicyVector;