import { AStepper } from './astepper.js';
/**
 * Metadata for a single step, extracted from a stepper definition.
 * Used by both LSP (for autocomplete/hover) and MCP (for tool registration).
 */
export interface StepMetadata {
    stepperName: string;
    stepName: string;
    pattern: string;
    params: Record<string, 'string' | 'number'>;
}
/**
 * Central registry for extracting step metadata from steppers.
 * Ensures that LSP and MCP share identical step definitions.
 */
export declare class StepperRegistry {
    /**
     * Extract metadata from all steps in the provided steppers.
     * Filters out steps marked with `expose: false`.
     */
    static getMetadata(steppers: AStepper[]): StepMetadata[];
    /**
     * Convert a gwta pattern to an LSP snippet format.
     * Transforms `{varName}` to `${1:varName}` for tab-stop support.
     */
    static patternToSnippet(pattern: string): string;
}
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