export declare class PostcodeService {
    private client;
    constructor(token: string);
    lookup(request: LookupRequest): Promise<LookupResponse>;
    random(request: RandomRequest): Promise<RandomResponse>;
    validate(request: ValidateRequest): Promise<ValidateResponse>;
}
export interface LookupRequest {
    postcode?: string;
}
export interface LookupResponse {
    country?: string;
    district?: string;
    latitude?: number;
    longitude?: number;
    postcode?: string;
    region?: string;
    ward?: string;
}
export interface RandomRequest {
}
export interface RandomResponse {
    country?: string;
    district?: string;
    latitude?: number;
    longitude?: number;
    postcode?: string;
    region?: string;
    ward?: string;
}
export interface ValidateRequest {
    postcode?: string;
}
export interface ValidateResponse {
    valid?: boolean;
}