import type * as Schema from 'effect/Schema';
import type * as SchemaAST from 'effect/SchemaAST';
import type * as Type from '../Type';
/**
 * Create an in-memory `Type.Type` entity (a `TypeSchema` object) for tests.
 * Accepts a raw Effect Schema. Pass `Type.getSchema(entity)` to convert a
 * `Type.Type` entity to its underlying source schema first.
 */
export declare const createEchoSchema: (schema: Schema.Schema.AnyNoContext, version?: string) => Type.Type;
/**
 * Converts AST to a format that can be compared with test matchers.
 */
export declare const prepareAstForCompare: (obj: SchemaAST.AST) => any;
/**
 * Creates an update counter that tracks changes to reactive objects.
 * @param objects - Reactive objects to subscribe to.
 * @returns An object with a count property and Symbol.dispose for cleanup.
 */
export declare const updateCounter: (...objects: object[]) => {
    [Symbol.dispose]: () => void;
    readonly count: number;
};
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