import * as i0 from "@angular/core";
export declare class SigV4Client {
    sigV4Client: {};
    awsSigV4Client: {};
    AWS_SHA_256: string;
    AWS4_REQUEST: string;
    AWS4: string;
    X_AMZ_DATE: string;
    X_AMZ_SECURITY_TOKEN: string;
    HOST: string;
    AUTHORIZATION: string;
    newClient(config: any): any;
    hash(value: any): any;
    hexEncode(value: any): any;
    hmac(secret: any, value: any): any;
    buildCanonicalRequest(method: any, path: any, queryParams: any, headers: any, payload: any): string;
    hashCanonicalRequest(request: any): any;
    buildCanonicalUri(uri: string): string;
    buildCanonicalQueryString(queryParams: any): string;
    buildCanonicalHeaders(headers: any): string;
    buildCanonicalSignedHeaders(headers: any): string;
    buildStringToSign(datetime: any, credentialScope: any, hashedCanonicalRequest: any): string;
    buildCredentialScope(datetime: string, region: string, service: string): string;
    calculateSigningKey(secretKey: string, datetime: string, region: string, service: string): string;
    calculateSignature(key: string, stringToSign: string): string;
    extractHostname(url: string): string;
    buildAuthorizationHeader(accessKey: string, credentialScope: string, headers: any, signature: string): string;
    signRequest(request: any): {
        method: string;
        headers: any;
        url: string;
        data: any;
    };
    static ɵfac: i0.ɵɵFactoryDeclaration<SigV4Client, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SigV4Client>;
}