/**
 * HTTP Header Abstraction
 */
export interface Header {
    /**
     * Name of the header
     */
    name: string;
    /**
     * Value of the header
     */
    value: string;
}
export type HeaderHash = {
    [index: string]: string;
};
/**
 * HTTP Headers Collection Abstraction
 *
 * The abstraction is an adapter to allow easy transformation of the headers array
 * into various formats for external HTTP libraries.
 */
export declare class Headers {
    private headers;
    /**
     * Create the adapter.
     *
     * @param headers - List of headers.
     */
    constructor(headers?: Header[]);
    /**
     * Push a header into the collection.
     *
     * @param header - A header to add to the collection
     */
    push(header: Header): void;
    /**
     * Iterator for the headers collection.
     *
     * @param fn - Transform for the forEach
     * @param thisArg - Optional reference to `this` to apply to the transform function.
     */
    forEach(fn: (v: Header, i: number, a: Header[]) => void, thisArg?: any): void;
    /**
     * Retrieve the headers as an array of Headers
     */
    toArray(): Header[];
    /**
     * Retrieve the headers as an object
     */
    toObject(): HeaderHash;
}
export declare class CustomHeader implements Header {
    private _header;
    constructor(_header: Header);
    get name(): string;
    get value(): string;
}
export declare class CpanelApiTokenInvalidError extends Error {
    readonly name = "CpanelApiTokenInvalidError";
    constructor(m: string);
}
export declare class CpanelApiTokenMismatchError extends Error {
    readonly name = "CpanelApiTokenMismatchError";
    constructor(m: string);
}
export declare class CpanelApiTokenHeader extends CustomHeader {
    constructor(token: string, user?: string);
}
export declare class WhmApiTokenInvalidError extends Error {
    readonly name = "WhmApiTokenInvalidError";
    constructor(m: string);
}
export declare class WhmApiTokenMismatchError extends Error {
    readonly name = "WhmApiTokenMismatchError";
    constructor(m: string);
}
export declare class WhmApiTokenHeader extends CustomHeader {
    constructor(token: string, user?: string);
}