/**
 * @license
 * Copyright 2025 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
import type { IExecuteContext, IExecutePreviewContext, TaskConfig } from "@workglow/task-graph";
import { CreateWorkflow, Task } from "@workglow/task-graph";
import type { FromSchema } from "@workglow/util/schema";
declare const inputSchema: {
    readonly type: "object";
    readonly properties: {};
    readonly additionalProperties: {
        readonly type: "string";
    };
};
declare const outputSchema: {
    readonly type: "object";
    readonly properties: {
        readonly text: {
            readonly type: "string";
            readonly title: "Text";
            readonly description: "Concatenation of all input strings";
        };
    };
    readonly required: readonly ["text"];
    readonly additionalProperties: false;
};
export type StringConcatTaskInput = FromSchema<typeof inputSchema>;
export type StringConcatTaskOutput = FromSchema<typeof outputSchema>;
export declare class StringConcatTask<Input extends StringConcatTaskInput = StringConcatTaskInput, Output extends StringConcatTaskOutput = StringConcatTaskOutput, Config extends TaskConfig = TaskConfig> extends Task<Input, Output, Config> {
    static readonly type = "StringConcatTask";
    static readonly category = "String";
    static title: string;
    static description: string;
    static inputSchema(): {
        readonly type: "object";
        readonly properties: {};
        readonly additionalProperties: {
            readonly type: "string";
        };
    };
    static outputSchema(): {
        readonly type: "object";
        readonly properties: {
            readonly text: {
                readonly type: "string";
                readonly title: "Text";
                readonly description: "Concatenation of all input strings";
            };
        };
        readonly required: readonly ["text"];
        readonly additionalProperties: false;
    };
    execute(input: Input, _context: IExecuteContext): Promise<Output | undefined>;
    executePreview(input: Input, _context: IExecutePreviewContext): Promise<Output | undefined>;
}
declare module "@workglow/task-graph" {
    interface Workflow {
        stringConcat: CreateWorkflow<StringConcatTaskInput, StringConcatTaskOutput, TaskConfig>;
    }
}
export {};