/**
 * Diff checking event class.
 *
 * @packageDocumentation
 */
import type { CancellableEventOptions } from "@graphql-markdown/utils";
import { DataEvent } from "@graphql-markdown/utils";
/**
 * Event emitted before/after checking schema differences.
 *
 * @category Events
 */
export declare class DiffCheckEvent extends DataEvent<{
    schema?: unknown;
    outputDir?: string;
    schemaHasChanges?: boolean;
}> {
    constructor(data: {
        schema?: unknown;
        outputDir?: string;
        schemaHasChanges?: boolean;
    }, options?: CancellableEventOptions);
}
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