/**
 * @copyright
 * Copyright 2026 Steven Roussey
 * All Rights Reserved
 */
import { CreateWorkflow, type TaskConfig } from "@workglow/task-graph";
import { ImageFilterTask, type ImageFilterInput, type ImageFilterOutput } from "../ImageFilterTask";
export type ImageGrayscaleTaskInput = ImageFilterInput & Record<string, unknown>;
export type ImageGrayscaleTaskOutput = ImageFilterOutput & Record<string, unknown>;
export declare class ImageGrayscaleTask extends ImageFilterTask<undefined, ImageGrayscaleTaskInput, ImageGrayscaleTaskOutput> {
    static readonly type = "ImageGrayscaleTask";
    static readonly category = "Image";
    static title: string;
    static description: string;
    static inputSchema(): {
        readonly type: "object";
        readonly properties: {
            readonly image: {
                readonly oneOf: readonly [{
                    readonly type: "string";
                    readonly format: "image:data-uri";
                }, {
                    readonly type: "object";
                    readonly format: "image";
                }];
                readonly title: "Image";
                readonly description: "Image";
                readonly format: "image";
            };
        };
        readonly required: readonly ["image"];
        readonly additionalProperties: false;
    };
    static outputSchema(): {
        readonly type: "object";
        readonly properties: {
            readonly image: {
                readonly oneOf: readonly [{
                    readonly type: "string";
                    readonly format: "image:data-uri";
                }, {
                    readonly type: "object";
                    readonly format: "image";
                }];
                readonly title: "Image";
                readonly description: "Image";
                readonly format: "image";
            };
        };
        readonly required: readonly ["image"];
        readonly additionalProperties: false;
    };
    protected readonly filterName = "grayscale";
    protected opParams(_input: ImageGrayscaleTaskInput): undefined;
}
declare module "@workglow/task-graph" {
    interface Workflow {
        imageGrayscale: CreateWorkflow<ImageGrayscaleTaskInput, ImageGrayscaleTaskOutput, TaskConfig>;
    }
}