/**
 * Math Skill - Evaluates mathematical expressions safely.
 *
 * Tier 1 built-in skill: no external dependencies required.
 * Uses a safe parser that only allows digits, basic arithmetic operators,
 * parentheses, decimal points, and spaces.
 */
import { SkillBase } from '../SkillBase.js';
import type { SkillToolDefinition, SkillPromptSection, SkillConfig, ParameterSchemaEntry } from '../SkillBase.js';
/**
 * Evaluates mathematical expressions safely using a sandboxed parser.
 *
 * Tier 1 built-in skill with no external dependencies. Only allows digits,
 * basic arithmetic operators, parentheses, decimal points, and spaces.
 *
 * Registers a single SWAIG tool: `calculate`.
 *
 * @example
 * ```ts
 * agent.addSkill('math');
 * ```
 */
export declare class MathSkill extends SkillBase {
    static SKILL_NAME: string;
    static SKILL_DESCRIPTION: string;
    static SKILL_VERSION: string;
    static REQUIRED_PACKAGES: readonly string[];
    static REQUIRED_ENV_VARS: readonly string[];
    static getParameterSchema(): Record<string, ParameterSchemaEntry>;
    /** @returns A single `calculate` tool that evaluates a math expression string. */
    getTools(): SkillToolDefinition[];
    protected _getPromptSections(): SkillPromptSection[];
}
/**
 * Factory function for creating MathSkill instances.
 * @param config - Optional skill configuration.
 * @returns A new MathSkill instance.
 */
export declare function createSkill(config?: SkillConfig): MathSkill;