import { CpuUsage } from "./interfaces/cpu-usage.interface";
export declare class SwsUtil {
    static supportedOptions: {
        name: string;
        version: string;
        hostname: string;
        ip: string;
        swaggerSpec: string;
        uriPath: string;
        timelineBucketDuration: string;
        durationBuckets: string;
        requestSizeBuckets: string;
        responseSizeBuckets: string;
        apdexThreshold: string;
        onResponseFinish: string;
        authentication: string;
        onAuthenticate: string;
        sessionMaxAge: string;
        elasticsearch: string;
        elasticsearchIndexPrefix: string;
        elasticsearchUsername: string;
        elasticsearchPassword: string;
        elasticsearchKey: string;
        elasticsearchCert: string;
        swaggerOnly: string;
    };
    static swsStatFields: {
        method: number;
        timeline: number;
        lasterrors: number;
        longestreq: number;
        apidefs: number;
        apistats: number;
        apiop: number;
        errors: number;
        all: number;
        "*": number;
    };
    static swsParameterProperties: {
        name: string;
        in: string;
        description: string;
        required: string;
        type: string;
        format: string;
        allowEmptyValue: string;
        items: string;
        collectionFormat: string;
        default: string;
        maximum: string;
        exclusiveMaximum: string;
        minimum: string;
        exclusiveMinimum: string;
        maxLength: string;
        minLength: string;
        pattern: string;
        maxItems: string;
        minItems: string;
        uniqueItems: string;
        enum: string;
        multipleOf: string;
    };
    static getStatusCodeClass(code: number): string;
    static isError(code: number): boolean;
    static swsStringValue(val: string | boolean | number | object): string;
    static swsStringRecursive(output: any, val: any): string;
    static swsCastStringR(val: string | boolean | number | object): string | {};
    static swsNumValue(val: any): number;
    static swsCPUUsagePct(starthrtime: [number, number], startusage: CpuUsage): number;
}