/**
 * Validation Module for AI Agent Input
 *
 * Provides structured validation with error codes that AI agents can parse
 * and use to fix their output.
 *
 * @module validation
 */
import { ManifestJSON } from '../json/types';
/**
 * Validation error with structured information for AI parsing
 */
export interface ValidationError {
    /** Error code for programmatic handling */
    code: string;
    /** JSON path to the error location */
    path: string;
    /** Human-readable error message */
    message: string;
    /** Suggestion for how to fix the error */
    suggestion?: string;
}
/**
 * Validation result
 */
export interface ValidationResult {
    /** Whether the manifest is valid */
    valid: boolean;
    /** Validation errors (blocking) */
    errors: ValidationError[];
    /** Validation warnings (non-blocking) */
    warnings: ValidationError[];
}
export declare const ValidationCodes: {
    readonly INVALID_ENTITY_NAME: "INVALID_ENTITY_NAME";
    readonly DUPLICATE_ENTITY: "DUPLICATE_ENTITY";
    readonly MISSING_ENTITY_FIELDS: "MISSING_ENTITY_FIELDS";
    readonly INVALID_FIELD_TYPE: "INVALID_FIELD_TYPE";
    readonly INVALID_FIELD_NAME: "INVALID_FIELD_NAME";
    readonly RELATION_TARGET_NOT_FOUND: "RELATION_TARGET_NOT_FOUND";
    readonly INVALID_RELATION_TYPE: "INVALID_RELATION_TYPE";
    readonly DATABASE_REQUIRED: "DATABASE_REQUIRED";
    readonly INVALID_DATABASE_TYPE: "INVALID_DATABASE_TYPE";
    readonly SQLITE_REQUIRES_FILE: "SQLITE_REQUIRES_FILE";
    readonly POSTGRES_REQUIRES_URL: "POSTGRES_REQUIRES_URL";
    readonly AUTH_REQUIRED_FOR_PROTECTED: "AUTH_REQUIRED_FOR_PROTECTED";
    readonly INVALID_PROVIDER: "INVALID_PROVIDER";
    readonly INVALID_MODE: "INVALID_MODE";
    readonly INVALID_PROTECTED_VALUE: "INVALID_PROTECTED_VALUE";
    readonly EXTERNAL_SOURCE_INVALID: "EXTERNAL_SOURCE_INVALID";
};
/**
 * Validate a JSON manifest
 *
 * @param manifest - JSON manifest to validate
 * @returns Validation result with errors and warnings
 *
 * @example
 * ```typescript
 * const result = validateManifest({
 *   entities: [{ name: 'User', fields: { email: { type: 'text' } } }],
 *   database: { type: 'sqlite', file: './app.db' }
 * })
 *
 * if (!result.valid) {
 *   console.log('Errors:', result.errors)
 * }
 * ```
 */
export declare function validateManifest(manifest: ManifestJSON): ValidationResult;
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