/**
 * Aexol Language Validator
 *
 * Validates the AST and provides semantic analysis.
 * Checks for errors, warnings, and best practices.
 */
import type { ASTNode, Program } from "./parser.js";
export interface ValidationError {
    type: "error" | "warning" | "info";
    message: string;
    node: ASTNode;
    code: string;
}
export interface ValidationResult {
    isValid: boolean;
    errors: ValidationError[];
    warnings: ValidationError[];
    infos: ValidationError[];
}
export declare class Validator {
    private program;
    private errors;
    private warnings;
    private infos;
    private visitorNameCounts;
    private anonymousVisitorCount;
    private definedTypes;
    private definedRoles;
    private definedWorkflows;
    private definedAgents;
    constructor(program: Program);
    validate(): ValidationResult;
    private validateVisitor;
    private validateCapability;
    private validateRole;
    private validateWorkflow;
    private validateAgent;
    private validateDomainAgent;
    private validateBuilderAgent;
    private validateType;
    private addError;
    private addWarning;
    private addInfo;
}
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