import type * as medialive from "@distilled.cloud/aws/medialive";
import type * as Effect from "effect/Effect";
import * as Binding from "../../Binding.ts";
import type { Channel } from "./Channel.ts";
/**
 * Runtime binding for `medialive:DescribeThumbnails`.
 *
 * Fetches the latest preview thumbnail (base64 JPEG) from a pipeline of
 * the bound RUNNING {@link Channel} — e.g. a confidence-monitoring
 * dashboard that renders a live snapshot of what the channel is encoding.
 * Requires thumbnails to be enabled in the channel's encoder settings; a
 * channel that is not running answers with the typed
 * `BadRequestException` tag. The channel id is injected from the binding.
 * Provide the implementation with
 * `Effect.provide(AWS.MediaLive.DescribeThumbnailsHttp)`.
 * ### Observing Channels
 * **Example:** Fetch the Latest Preview Thumbnail
 * ```typescript
 * // init — bind the operation to the channel
 * const describeThumbnails = yield* AWS.MediaLive.DescribeThumbnails(channel);
 *
 * // runtime
 * const { ThumbnailDetails } = yield* describeThumbnails({
 *   PipelineId: "0",
 *   ThumbnailType: "CURRENT_ACTIVE",
 * });
 * ```
 *
 * @binding
 */
export interface DescribeThumbnails extends Binding.Service<DescribeThumbnails, "AWS.MediaLive.DescribeThumbnails", (channel: Channel) => Effect.Effect<(request?: Omit<medialive.DescribeThumbnailsRequest, "ChannelId">) => Effect.Effect<medialive.DescribeThumbnailsResponse, medialive.DescribeThumbnailsError>>> {
}
export declare const DescribeThumbnails: DescribeThumbnails;
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