import { z } from 'zod';
import { SyllabusRootSchema, LessonAstNodeSchema, DialogueNodeSchema } from './nodes.js';
export * from './base.js';
export * from './nodes.js';
export * from './extensions.js';
/**
 * Validation result type
 */
export interface ValidationResult<T = unknown> {
    /** Whether validation succeeded */
    valid: boolean;
    /** Validated data (if successful) */
    data?: T;
    /** Zod errors (if failed) */
    errors: z.ZodError | null;
    /** Warning messages */
    warnings: string[];
}
/**
 * Validation options
 */
export interface ValidateOptions {
    /** Throw on validation failure instead of returning result */
    strict?: boolean;
}
/**
 * Get the appropriate schema for a node based on its type
 */
export declare function getSchemaForNodeType(type: string): z.ZodTypeAny | undefined;
/**
 * Validate any syllst node using the appropriate schema
 */
export declare function validateNode<T = unknown>(node: unknown, options?: ValidateOptions): ValidationResult<T>;
/**
 * Validate a lesson node
 */
export declare function validateLesson(lesson: unknown, options?: ValidateOptions): ValidationResult<z.infer<typeof LessonAstNodeSchema>>;
/**
 * Validate a syllabus root node
 */
export declare function validateSyllabus(syllabus: unknown, options?: ValidateOptions): ValidationResult<z.infer<typeof SyllabusRootSchema>>;
/**
 * Validate a dialogue node
 */
export declare function validateDialogue(dialogue: unknown, options?: ValidateOptions): ValidationResult<z.infer<typeof DialogueNodeSchema>>;
/**
 * Format validation errors for display
 */
export declare function formatValidationErrors(errors: z.ZodError): string[];
/**
 * Validate for ContentLayer generation
 * Returns a simpler result format suitable for build scripts
 */
export declare function validateBeforeContentLayer(lesson: unknown): {
    valid: boolean;
    errors: string[];
};
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