/**
 * @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 text: {
            readonly type: "string";
            readonly title: "Text";
            readonly description: "Input string";
        };
        readonly start: {
            readonly type: "integer";
            readonly title: "Start";
            readonly description: "Start index (inclusive, supports negative indexing)";
        };
        readonly end: {
            readonly type: "integer";
            readonly title: "End";
            readonly description: "End index (exclusive, supports negative indexing)";
        };
    };
    readonly required: readonly ["text", "start"];
    readonly additionalProperties: false;
};
declare const outputSchema: {
    readonly type: "object";
    readonly properties: {
        readonly text: {
            readonly type: "string";
            readonly title: "Text";
            readonly description: "Extracted substring";
        };
    };
    readonly required: readonly ["text"];
    readonly additionalProperties: false;
};
export type StringSliceTaskInput = FromSchema<typeof inputSchema>;
export type StringSliceTaskOutput = FromSchema<typeof outputSchema>;
export declare class StringSliceTask<Input extends StringSliceTaskInput = StringSliceTaskInput, Output extends StringSliceTaskOutput = StringSliceTaskOutput, Config extends TaskConfig = TaskConfig> extends Task<Input, Output, Config> {
    static readonly type = "StringSliceTask";
    static readonly category = "String";
    static title: string;
    static description: string;
    static inputSchema(): {
        readonly type: "object";
        readonly properties: {
            readonly text: {
                readonly type: "string";
                readonly title: "Text";
                readonly description: "Input string";
            };
            readonly start: {
                readonly type: "integer";
                readonly title: "Start";
                readonly description: "Start index (inclusive, supports negative indexing)";
            };
            readonly end: {
                readonly type: "integer";
                readonly title: "End";
                readonly description: "End index (exclusive, supports negative indexing)";
            };
        };
        readonly required: readonly ["text", "start"];
        readonly additionalProperties: false;
    };
    static outputSchema(): {
        readonly type: "object";
        readonly properties: {
            readonly text: {
                readonly type: "string";
                readonly title: "Text";
                readonly description: "Extracted substring";
            };
        };
        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 {
        stringSlice: CreateWorkflow<StringSliceTaskInput, StringSliceTaskOutput, TaskConfig>;
    }
}
export {};