/**
 * @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 template: {
            readonly type: "string";
            readonly title: "Template";
            readonly description: "Template string with {{key}} placeholders";
        };
        readonly values: {
            readonly type: "object";
            readonly title: "Values";
            readonly description: "Key-value pairs to substitute into the template";
            readonly additionalProperties: true;
        };
    };
    readonly required: readonly ["template", "values"];
    readonly additionalProperties: false;
};
declare const outputSchema: {
    readonly type: "object";
    readonly properties: {
        readonly text: {
            readonly type: "string";
            readonly title: "Text";
            readonly description: "Template with placeholders replaced by values";
        };
    };
    readonly required: readonly ["text"];
    readonly additionalProperties: false;
};
export type StringTemplateTaskInput = FromSchema<typeof inputSchema>;
export type StringTemplateTaskOutput = FromSchema<typeof outputSchema>;
/**
 * @deprecated Use {@link TemplateTask} instead, which supports dot-notation paths
 * and `{{key|default}}` fallback syntax.
 */
export declare class StringTemplateTask<Input extends StringTemplateTaskInput = StringTemplateTaskInput, Output extends StringTemplateTaskOutput = StringTemplateTaskOutput, Config extends TaskConfig = TaskConfig> extends Task<Input, Output, Config> {
    static readonly type = "StringTemplateTask";
    static readonly category = "String";
    static title: string;
    static description: string;
    static inputSchema(): {
        readonly type: "object";
        readonly properties: {
            readonly template: {
                readonly type: "string";
                readonly title: "Template";
                readonly description: "Template string with {{key}} placeholders";
            };
            readonly values: {
                readonly type: "object";
                readonly title: "Values";
                readonly description: "Key-value pairs to substitute into the template";
                readonly additionalProperties: true;
            };
        };
        readonly required: readonly ["template", "values"];
        readonly additionalProperties: false;
    };
    static outputSchema(): {
        readonly type: "object";
        readonly properties: {
            readonly text: {
                readonly type: "string";
                readonly title: "Text";
                readonly description: "Template with placeholders replaced by values";
            };
        };
        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 {
        stringTemplate: CreateWorkflow<StringTemplateTaskInput, StringTemplateTaskOutput, TaskConfig>;
    }
}
export {};