import { SpecDatabase, SpecDatabaseDiff } from '@aws-cdk/service-spec-types';
export declare class DiffFormatter {
    private readonly dbs;
    constructor(db1: SpecDatabase, db2: SpecDatabase);
    format(diff: SpecDatabaseDiff): string;
    private renderService;
    private renderUpdatedService;
    private renderResource;
    private renderUpdatedResource;
    private renderTypeDefinition;
    private renderUpdatedTypeDefinition;
    private renderMetric;
    private renderUpdatedMetric;
    private renderDimensionSet;
    private renderUpdatedDimensionSet;
    private formatRelRefs;
    private renderProperty;
    private renderProperties;
    private renderMapDiff;
    private renderPropertyDiff;
    private renderVendedLogsArrayDiff;
    private renderVendedLog;
    private compareVendedLogs;
    private renderEvent;
    private renderUpdatedEvent;
    private renderEventTypeDefinition;
    private renderUpdatedEventTypeDefinition;
    private renderEventProperty;
    private stringifyEventPropertyType;
    private renderEventProperties;
    private renderEventPropertyDiff;
}