import { NodeKeyGenerator } from './node/utils/nodeKeyGenerator';
/**
 * Global config object.
 */
export interface GlobalConfig {
    /**
     * Node key generator function.
     */
    keyGenerator: NodeKeyGenerator;
    /**
     * Whether to check for circular references when attaching nodes.
     * When enabled, throws an error if a node would become an ancestor of itself.
     * When disabled, circular references may cause infinite loops.
     * For performance reasons this setting is disabled by default.
     * Default: false
     */
    checkCircularReferences: boolean;
}
/**
 * Partially sets the current global config.
 *
 * @param config Partial object with the new configurations. Options not included in the object won't be changed.
 */
export declare function setGlobalConfig(config: Partial<GlobalConfig>): void;
/**
 * Returns the current global config object.
 *
 * @returns
 */
export declare function getGlobalConfig(): Readonly<GlobalConfig>;