/**
 * WM_SVC Authentication header namespace.
 */
export interface WMService {
    /**
     * Walmart Service Name.
     *
     * Header WM_SVC.NAME.
     */
    Name: string;
}
/**
 * WM_QOS Authentication header namespace.
 */
export interface WMQOS {
    /**
     * A unique ID to correlate a vendor's calls with the Walmart system.
     *
     * Header WM_QOS.CORRELATION_ID.
     */
    CorrelationId: string;
}
/**
 * WM_SEC Authentication header namespace.
 */
export interface WMSecurity {
    /**
     * The Epoch timestamp.
     *
     * Header WM_SEC.TIMESTAMP.
     */
    Timestamp: number;
    /**
     * The vendor's digital signature.
     *
     * Header WM_SEC.AUTH_SIGNATURE.
     */
    AuthSignature: string;
}
/**
 * WM_CONSUMER.CHANNEL Authentication header namespace.
 */
export interface Channel {
    /**
     * A unique ID to track the consumer request by channel. Use the Consumer Channel
     * Type received during onboarding.
     *
     * Header WM_CONSUMER.CHANNEL.TYPE.
     */
    Type: string;
}
/**
 * WM_CONSUMER Authentication header namespace.
 */
export interface WMConsumer {
    /**
     * WM_CONSUMER.CHANNEL Authentication header namespace.
     */
    Channel: Channel;
    /**
     * The Walmart Consumer ID from Developer Center required to access the API.
     *
     * Header WM_CONSUMER.ID.
     */
    ConsumerId: string;
}
/**
 * Walmart authentication headers. Use the custom class to set custom values to the
 * headers before adding to the request.
 *
 * @see {@link https://developer.walmart.com/#/apicenter/marketPlace/latest#apiAuthentication}
 */
export declare class Custom {
    /**
     * WM_SVC Authentication headers.
     */
    WMService: WMService;
    /**
     * WM_QOS Authentication headers.
     */
    WMQOS: WMQOS;
    /**
     * WM_SEC Authentication headers.
     */
    WMSecurity: WMSecurity;
    /**
     * WM_CONSUMER Authentication headers.
     */
    WMConsumer: WMConsumer;
    /**
     * The desired returned data format of the response. May override the default to
     * 'application/xml' if an XML response is preferred instead of JSON.
     */
    Accept: string;
    /**
     * The data format used in the request. May override the default to
     * 'application/xml' if an XML response is preferred instead of JSON.
     */
    ContentType: string;
    constructor();
    /**
     * Set the vendor's Correlation ID.
     *
     * @param correlationId A unique ID to correlate a vendor's calls with the Walmart
     *                      system.
     */
    setCorrelationId(correlationId: string): void;
    /**
     * Set the Consumer ID.
     *
     * @param consumer The Walmart Consumer ID from Developer Center required to access
     *                 the API.
     */
    setConsumer(consumer: WMConsumer): void;
    /**
     * Set the request Timestamp. Note: Resets the AuthSignature to empty string. This
     * method is primarily used by tests. Timestamp is automatically set by sign()
     * method if not otherwise set.
     *
     * @param timestamp Epoch timestamp in milliseconds.
     */
    setTimestamp(timestamp: number): void;
}
/**
 * The API request headers compiled according to the API spec, including the required
 * digital signature.
 */
export interface Signed {
    'WM_SVC.NAME': string;
    'WM_QOS.CORRELATION_ID': string;
    'WM_SEC.TIMESTAMP': number;
    'WM_SEC.AUTH_SIGNATURE': string;
    'WM_CONSUMER.CHANNEL.TYPE': string;
    'WM_CONSUMER.ID': string;
    'Accept': string;
    'Content-Type': string;
}
/**
 * The request properties required to generate the digital signature.
 */
export interface DigitalSignatureRequest {
    /**
     * The full URL to call, including path and query parameters.
     */
    RequestUrl: string;
    /**
     * The vendor's Base-64-encoded, PKCS#8 stored Private Key.
     */
    PrivateKey: string;
    /**
     * The HTTP request method used, in capital letters (i.e. GET, POST).
     */
    RequestMethod: string;
}
/**
 * Returns the signed headers required for the API request.
 *
 * @param custom Walmart authentication headers. Use the custom class to set custom
 *               values to the headers before adding to the request.
 * @param request The request properties required to generate the digital signature.
 */
export declare function sign(custom: Custom, request: DigitalSignatureRequest): Signed;