declare type HumanReadableId = string;
declare type CallerId = string;
export declare type Callers = Map<CallerId, Set<HumanReadableId>>;
export interface CallerRegistry {
    clear: () => void;
    count: () => number;
    exists: (callerId: CallerId, humanReadableId: HumanReadableId) => boolean;
    register: (callerId: CallerId, humanReadableId: HumanReadableId) => void;
    unregister: (callerId: CallerId) => void;
}
export declare const create: (startCallers?: Callers | undefined) => CallerRegistry;
export {};
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