import * as log4js from "log4js";
import * as Ajv from "ajv";
import { SchemaProvider } from "./provider";
/**
 * Used for checking an object against a provided schema.
 */
export declare class SchemaValidator {
    private gdSchemas;
    private logger?;
    private _ajvInstance;
    constructor(gdSchemas: SchemaProvider, logger?: log4js.Logger | undefined, schemaNames?: string[]);
    getSchema(schemaName: string): any;
    get(schemaName: string): object;
    validate(data: object, key: string | object): {
        isValid: boolean;
        errors: Ajv.ErrorObject[];
    };
    private validateLayouts;
    private validateThemes;
    private validateApps;
}