import { HttpClient } from '@angular/common/http';
import { InjectionToken } from '@angular/core';
import { Observable } from 'rxjs';
import { Collection } from './model/collection';
import { Download } from './model/download';
import { Photo } from './model/photo';
import { SearchResult } from './model/search-result';
import { UserStatistics } from './model/statistics';
import { Topic } from './model/topic';
import { UnsplashColor, UnsplashContentFilter, UnsplashFeaturedOrderBy, UnsplashOrderBy, UnsplashOrientation, UnsplashResolution, UnsplashSearchOrderBy } from './model/types';
import { User } from './model/user';
import * as i0 from "@angular/core";
export interface UnsplashConfig {
    url: string;
    authorization: string;
}
export declare const UNSPLASH_CONFIG: InjectionToken<UnsplashConfig | Observable<UnsplashConfig>>;
export type Count = 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30;
export declare class UnsplashService {
    private http;
    private readonly searchUrl;
    private readonly photosUrl;
    private readonly randomUrl;
    private readonly collectionsUrl;
    private readonly topicsUrl;
    private readonly usersUrl;
    private config$;
    constructor(http: HttpClient, config: UnsplashConfig | Observable<UnsplashConfig>);
    /**
     * [List photos](https://unsplash.com/documentation#list-photos).
     *
     * Get a single page from the list of all photos.
     *
     * @param options to be used when getting list of photos
     *
     * @returns Observable containing a {@link Photo} array
     */
    photos(options?: {
        page?: number;
        perPage?: number;
        orderBy?: UnsplashOrderBy;
    }): Observable<Photo[]>;
    /**
     * [List photos](https://unsplash.com/documentation#list-photos).
     *
     * Get a single page from the list of all photos.
     *
     * @param options to be used when getting list of photos
     *
     * @returns Observable containing a {@link Photo} array
     *
     * @deprecated Use {@link photos} instead
     */
    list(options?: {
        page?: number;
        perPage?: number;
        orderBy?: UnsplashOrderBy;
    }): Observable<Photo[]>;
    /**
     * [Get a photo](https://unsplash.com/documentation#get-a-photo).
     *
     * Retrieve a single photo.
     *
     * @param id of the photo
     *
     * @returns  Observable containing the {@link Photo}
     */
    photo(id: string): Observable<Photo>;
    /**
     * [Get a photo](https://unsplash.com/documentation#get-a-photo).
     *
     * Retrieve a single photo.
     *
     * @param id of the photo
     *
     * @returns  Observable containing the {@link Photo}
     *
     * @deprecated Use {@link photo} instead
     */
    get(id: string): Observable<Photo>;
    /**
     * [Get random photos](https://unsplash.com/documentation#get-a-random-photo).
     *
     * Retrieve random photos.
     *
     * @param options to be used when getting random photos
     *
     * @returns Observable containing a {@link Photo} array
     */
    randomPhoto(options?: {
        collections?: string;
        topics?: string;
        username?: string;
        query?: string;
        orientation?: UnsplashOrientation;
        contentFilter?: UnsplashContentFilter;
        count?: Count;
    }): Observable<Photo[]>;
    /**
     * [Get random photos](https://unsplash.com/documentation#get-a-random-photo).
     *
     * Retrieve random photos.
     *
     * @param options to be used when getting random photos
     *
     * @returns Observable containing a {@link Photo} array
     *
     * @deprecated Use {@link randomPhoto} instead
     */
    random(options?: {
        collections?: string;
        topics?: string;
        username?: string;
        query?: string;
        orientation?: UnsplashOrientation;
        contentFilter?: UnsplashContentFilter;
        count?: Count;
    }): Observable<Photo[]>;
    /**
     * [Search photos](https://unsplash.com/documentation#search-photos).
     *
     * Get a single page of photo results for a query.
     *
     * @param query to search for
     * @param options to be used when searching photos
     *
     * @returns Observable containing a {@link SearchResult}
     */
    searchPhotos(query: string, options?: {
        page?: number;
        perPage?: number;
        orderBy?: UnsplashSearchOrderBy;
        collections?: string;
        contentFilter?: UnsplashContentFilter;
        color?: UnsplashColor;
        orientation?: UnsplashOrientation;
    }): Observable<SearchResult>;
    /**
     * [Search photos](https://unsplash.com/documentation#search-photos).
     *
     * Get a single page of photo results for a query.
     *
     * @param query to search for
     * @param options to be used when searching photos
     *
     * @returns Observable containing a {@link SearchResult}
     *
     * @deprecated Use {@link searchPhotos} instead
     */
    search(query: string, options?: {
        page?: number;
        perPage?: number;
        orderBy?: UnsplashSearchOrderBy;
        collections?: string;
        contentFilter?: UnsplashContentFilter;
        color?: UnsplashColor;
        orientation?: UnsplashOrientation;
    }): Observable<SearchResult>;
    /**
     * [Trigger a download](https://help.unsplash.com/en/articles/2511258-guideline-triggering-a-download)
     * of a photo.
     *
     * @param photo to download
     *
     * @returns Observable containing the {@link Download}
     */
    downloadPhoto(photo: Photo): Observable<Download>;
    /**
     * [Trigger a download](https://help.unsplash.com/en/articles/2511258-guideline-triggering-a-download)
     * of a photo.
     *
     * @param photo to download
     *
     * @returns Observable containing the {@link Download}
     *
     * @deprecated Use {@link downloadPhoto} instead
     */
    download(photo: Photo): Observable<Download>;
    /**
     * [List collections](https://unsplash.com/documentation#list-collections).
     * Retrieve a list of collections.
     *
     * @param options to be used when getting collections
     *
     * @returns Observable containing a {@link Collection} array
     *
     * @throws Error if the Unsplash configuration is not provided
     */
    collections(options?: {
        page?: number;
        perPage?: number;
    }): Observable<Collection[]>;
    /**
     * [Get a collection](https://unsplash.com/documentation#get-a-collection).
     * Retrieve a single collection.
     *
     * @param id of the collection to retrieve
     *
     * @returns Observable containing a {@link Collection}
     *
     * @throws Error if the collection id is not provided
     * @throws Error if the Unsplash configuration is not provided
     */
    collection(id: string): Observable<Collection>;
    /**
     * [Get a collection's photos](https://unsplash.com/documentation#get-a-collections-photos).
     * Retrieve a list of photos in a collection.
     *
     * @param id of the collection to retrieve photos from
     * @param options to be used when getting photos from a collection
     *
     * @returns Observable containing a {@link Photo} array
     *
     * @throws Error if the collection id is not provided
     * @throws Error if the Unsplash configuration is not provided
     */
    collectionPhotos(id: string, options?: {
        page?: number;
        perPage?: number;
        orientation?: UnsplashOrientation;
    }): Observable<Photo[]>;
    /**
     * [List related collections](https://unsplash.com/documentation#list-a-collections-related-collections).
     * Retrieve a list of collections related to a particular one.
     *
     * @param id of the collection to retrieve related collections from
     *
     * @returns Observable containing a {@link Collection} array
     *
     * @throws Error if the collection id is not provided
     * @throws Error if the Unsplash configuration is not provided
     */
    relatedCollections(id: string): Observable<Collection[]>;
    /**
     * [List topics](https://unsplash.com/documentation#list-topics).
     * Retrieve a list of topics.
     *
     * @param options to be used when getting topics
     *
     * @returns Observable containing a {@link Topic} array
     */
    topics(options?: {
        ids?: string[];
        page?: number;
        perPage?: number;
        orderBy?: UnsplashFeaturedOrderBy;
    }): Observable<Topic[]>;
    /**
     * [Get a topic](https://unsplash.com/documentation#get-a-topic).
     * Retrieve a single topic.
     *
     * @param id of the topic to retrieve
     *
     * @returns Observable containing a {@link Topic}
     *
     * @throws Error if the topic id is not provided
     * @throws Error if the Unsplash configuration is not provided
     */
    topic(id: string): Observable<Topic>;
    /**
     * [Get a topic's photos](https://unsplash.com/documentation#get-a-topics-photos).
     * Retrieve a list of photos in a topic.
     *
     * @param id of the topic to retrieve photos from
     * @param options to be used when getting photos from a topic
     *
     * @returns Observable containing a {@link Photo} array
     *
     * @throws Error if the topic id is not provided
     * @throws Error if the Unsplash configuration is not provided
     */
    topicPhotos(id: string, options?: {
        page?: number;
        perPage?: number;
        orientation?: UnsplashOrientation;
        orderBy?: UnsplashOrderBy;
    }): Observable<Photo[]>;
    /**
     * [Get a user](https://unsplash.com/documentation#get-a-user).
     * Retrieve public details on a given user.
     *
     * @param username of the user to retrieve
     *
     * @returns Observable containing a {@link User}
     *
     * @throws Error if the user username is not provided
     * @throws Error if the Unsplash configuration is not provided
     */
    user(username: string): Observable<User>;
    /**
     * [Get a user's portfolio link](https://unsplash.com/documentation#get-a-users-portfolio-link).
     * Retrieve a single user’s portfolio link.
     *
     * @param username of the user to retrieve portfolio link from
     *
     * @returns Observable containing a {@link User}
     *
     * @throws Error if the user username is not provided
     * @throws Error if the Unsplash configuration is not provided
     */
    userPortfolio(username: string): Observable<string | undefined>;
    /**
     * [List a user’s photos](https://unsplash.com/documentation#list-a-users-photos).
     * Retrieve a list of photos uploaded by a user.
     *
     * @param username of the user to retrieve photos from
     * @param options to be used when getting photos from a user
     *
     * @returns Observable containing a {@link Photo} array
     *
     * @throws Error if the user username is not provided
     * @throws Error if the Unsplash configuration is not provided
     */
    userPhotos(username: string, options?: {
        page?: number;
        perPage?: number;
        orderBy?: UnsplashOrderBy;
        stats?: boolean;
        resolution?: UnsplashResolution;
        quantity?: number;
        orientation?: UnsplashOrientation;
    }): Observable<Photo[]>;
    /**
     * [List a user’s liked photos](https://unsplash.com/documentation#list-a-users-liked-photos).
     * Retrieve a list of photos liked by a user.
     *
     * @param username of the user to retrieve liked photos from
     * @param options to be used when getting liked photos from a user
     *
     * @returns Observable containing a {@link Photo} array
     *
     * @throws Error if the user username is not provided
     * @throws Error if the Unsplash configuration is not provided
     */
    userLikes(username: string, options?: {
        page?: number;
        perPage?: number;
        orderBy?: UnsplashOrderBy;
    }): Observable<Photo[]>;
    /**
     * [List a user’s collections](https://unsplash.com/documentation#list-a-users-collections).
     * Retrieve a list of collections created by the user.
     *
     * @param username of the user to retrieve collections from
     * @param options to be used when getting collections from a user
     *
     * @returns Observable containing a {@link Collection} array
     *
     * @throws Error if the user username is not provided
     * @throws Error if the Unsplash configuration is not provided
     */
    userCollections(username: string, options?: {
        page?: number;
        perPage?: number;
        orderBy?: UnsplashOrderBy;
    }): Observable<Collection[]>;
    /**
     * [Get a user’s statistics](https://unsplash.com/documentation#get-a-users-statistics).
     * Retrieve total number of downloads, views and likes of all user’s photos, as well as the historical breakdown and average of these stats in a specific time frame (default is 30 days).
     *
     * @param username of the user to retrieve statistics from
     * @param options to be used when getting statistics from a user
     *
     * @returns Observable containing a {@link UserStatistics} object
     *
     * @throws Error if the user username is not provided
     * @throws Error if the Unsplash configuration is not provided
     */
    userStatistics(username: string, options?: {
        resolution?: UnsplashResolution;
        quantity?: number;
    }): Observable<UserStatistics>;
    private unsplashUrl;
    private unsplashHeaders;
    static ɵfac: i0.ɵɵFactoryDeclaration<UnsplashService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<UnsplashService>;
}