import type { DocumentNode } from 'graphql';
import { Model } from '../../model/implementation/model.js';
import { ValidationMessage } from '../../model/validation/message.js';
import { ValidationResult } from '../../model/validation/result.js';
import type { ProjectSource } from '../../project/source.js';
import type { ParsedProjectSource } from '../parsing/parsed-project.js';
export interface ASTValidator {
    validate(ast: DocumentNode, model: Model): ReadonlyArray<ValidationMessage>;
}
export interface ParsedSourceValidator {
    validate(source: ParsedProjectSource): ReadonlyArray<ValidationMessage>;
}
export interface SourceValidator {
    validate(source: ProjectSource): ReadonlyArray<ValidationMessage>;
}
export declare function validateSource(source: ProjectSource): ValidationResult;
export declare function validateParsedProjectSource(source: ParsedProjectSource): ValidationResult;
export declare function validatePostMerge(ast: DocumentNode, model: Model): ValidationResult;