import type { Definition } from 'typescript-json-schema';
import type { DecoratorStep, DecoratorContext } from '../interfaces';
/**
 * Readonly step - marks properties as readonly when their condition evaluates to true.
 * Runs last in the pipeline.
 */
export declare class Readonly implements DecoratorStep {
    readonly name = "readonly";
    /**
     * Marks properties as readonly when their condition evaluates to true.
     *
     * @param target - The class prototype containing decorator metadata
     * @param definition - The schema definition to modify
     * @param context - Runtime context for condition evaluation
     */
    init(target: object, definition: Definition, context: DecoratorContext): void;
}
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