import { NodeConstraint, ConstraintContext, ConstraintValidationResult, ConstraintViolation, NodeDefinition } from '../../../types/NodeDefinition';
import { Node, NodeId, Connection } from '../../../types/core';
/**
 * Validate all constraints for a node
 */
export declare function validateNodeConstraints(node: Node, nodeDefinition: NodeDefinition, allNodes: Record<NodeId, Node>, allConnections: Record<string, Connection>, operation: ConstraintContext["operation"], context?: Record<string, unknown>): ConstraintValidationResult;
/**
 * Validate constraints for a connection operation
 */
export declare function validateConnectionConstraints(fromNode: Node, toNode: Node, fromNodeDefinition: NodeDefinition, toNodeDefinition: NodeDefinition, allNodes: Record<NodeId, Node>, allConnections: Record<string, Connection>, operation: "connect" | "disconnect", context?: Record<string, unknown>): ConstraintValidationResult;
/**
 * Check if any constraints are blocking
 */
export declare function hasBlockingViolations(violations: ConstraintViolation[], constraints: NodeConstraint[]): boolean;