import { UsivSDKConfig } from '../types';
export interface SessionValidationResponse {
    valid: boolean;
    companyId?: string;
    verificationId?: string;
    rut?: string;
    email?: string;
    error?: string;
}
export interface AWSCredentialsResponse {
    accessKeyId: string;
    secretAccessKey: string;
    sessionToken: string;
    expiration?: string;
    provider?: string;
}
export interface LivenessSessionResponse {
    sessionId: string;
}
export interface LivenessResultResponse {
    status: string;
    score: number;
    auditImagesCount: number;
    referenceImage?: {
        contentType: string;
        base64: string;
    };
    auditImages: Array<{
        contentType: string;
        base64: string;
    }>;
}
export interface StepCompleteResponse {
    success: boolean;
    stepCompleted: string;
    creditsCharged: number;
    remainingCredits: number;
    allStepsCompleted: boolean;
    verificationCompleted: boolean;
}
export declare class UsivBackendService {
    private config;
    constructor(config: UsivSDKConfig);
    private getHeaders;
    private request;
    validateSession(sessionToken: string): Promise<SessionValidationResponse>;
    getAWSCredentials(sessionToken: string): Promise<AWSCredentialsResponse>;
    createLivenessSession(sessionToken: string): Promise<LivenessSessionResponse>;
    getLivenessResult(sessionId: string, sessionToken: string): Promise<LivenessResultResponse>;
    completeStep(stepType: 'liveness' | 'documentFront' | 'documentBack', sessionToken: string, result: string): Promise<StepCompleteResponse>;
    getVerificationStatus(sessionToken: string): Promise<any>;
}
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