export interface MergeableDescriptor {
    type: string;
    merge?: (localValue: any, remoteValue: any) => any;
}
export declare function registerMergeableType(ctor: {
    prototype: object;
}, descriptor: MergeableDescriptor): void;
export declare function getMergeableType(value: unknown): string | null;
export declare function getMergeableDescriptor(type: string): MergeableDescriptor | undefined;
export declare function cloneMergeableValue<T>(value: T): T;
export declare function markMergeableInstance(target: any, type: string): void;
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