import Ajv, { ErrorObject, KeywordDefinition, FormatDefinition } from 'ajv';
import { JSONSchema4, JSONSchema6, JSONSchema7 } from 'json-schema';
export declare type ValidationResult = {
    valid: true;
    errors?: ErrorObject[];
} | {
    valid: false;
    errors: ErrorObject[];
};
export declare type Validator = (value: any) => ValidationResult;
export declare class JsonSchemaService {
    protected readonly ajv: Ajv.Ajv;
    protected readonly validators: Map<string, Validator>;
    registerKeyword(keyword: string, definition: KeywordDefinition): void;
    registerFormat(name: string, definition: FormatDefinition): void;
    validate(schema: JSONSchema4 | JSONSchema6 | JSONSchema7, value: any): ValidationResult;
    validateOrThrow(schema: JSONSchema4 | JSONSchema6 | JSONSchema7, value: any): true;
    getValidator(schema: JSONSchema4 | JSONSchema6 | JSONSchema7): Validator;
}
export declare class ValidationError extends Error {
    readonly errors: ErrorObject[];
    constructor(errors: ErrorObject[]);
}