import { PolicyV2 } from '@nihal1983/core';
import { Checker, PRContext, Violation } from '../types';
/**
 * StructureChecker validates MR structure (title, description, branch naming)
 */
export declare class StructureChecker implements Checker {
    private policy;
    name: string;
    constructor(policy: PolicyV2);
    check(context: PRContext): Promise<Violation[]>;
    /**
     * Check PR title requirements
     */
    private checkTitle;
    /**
     * Check PR description requirements
     */
    private checkDescription;
    /**
     * Check branch naming requirements
     */
    private checkBranchNaming;
    /**
     * Extract content from a markdown section
     */
    private extractSectionContent;
}