/**
 * Constraint Builder
 * Handles constraint generation and SQL creation
 */
import type { IConstraintInfo } from '../../../database/introspection';
import type { IConstraintDefinition } from '../../../types';
export declare class ConstraintBuilder {
    /**
     * Convert introspection constraint data to constraint definition
     */
    convertToConstraintDefinition(constraint: IConstraintInfo): IConstraintDefinition;
    /**
     * Generate constraint SQL
     */
    generateConstraintSQL(constraint: IConstraintDefinition, schema: string, tableName: string): string;
    /**
     * Escape identifier for SQL
     */
    private escapeIdentifier;
}
//# sourceMappingURL=constraintBuilder.d.ts.map