import type { CallInterceptor } from './call-interceptor.js';
import type { CallPlugin } from './plugin.js';
export type DedupePluginOptions = {
    key?: (ctx: {
        path: string[];
        input: unknown;
    }) => string | undefined;
};
/** In-flight coalescing around runProcedure. Default keys every unary call; pass `key` to restrict to reads — unsafe for non-idempotent writes. */
export declare class DedupePlugin implements CallPlugin {
    readonly name = "dedupe";
    readonly intercept: CallInterceptor;
    constructor(options?: DedupePluginOptions);
}
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