/**
 * Proportional editing system for mesh operations
 * Allows editing vertices with falloff based on distance from selection
 */
import { Mesh } from '../geometry/mesh';
export interface ProportionalEditConfig {
    enabled: boolean;
    range: number;
    falloff: 'linear' | 'hermite_spline' | 'constant';
    selection: 'linear' | 'connections';
}
export declare class ProportionalEdit {
    private static vertexWeights;
    /**
     * Calculate vertex weights for proportional editing
     */
    static calculateWeights(mesh: Mesh, selectedVertices: string[], config: ProportionalEditConfig): Record<string, number>;
    /**
     * Get cached weights for a mesh
     */
    static getWeights(mesh: Mesh): Record<string, number>;
    /**
     * Apply proportional editing to vertices
     */
    static editVertices(mesh: Mesh, selectedVertices: string[], config: ProportionalEditConfig, perVertex: (vkey: string, blend: number) => void): void;
    /**
     * Clear cached weights for a mesh
     */
    static clearWeights(mesh: Mesh): void;
    /**
     * Clear all cached weights
     */
    static clearAllWeights(): void;
}
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