import 'reflect-metadata';
/**
 * Class decorator that marks a model-bound projection as passive.
 * A passive projection does not actively observe events and never writes to a materialized sink;
 * its read model is resolved on demand via immediate projection.
 * @param target - The class constructor.
 */
export declare function passive(target: Function): void;
/**
 * Checks whether the given class is marked as passive.
 * @param target - The class constructor.
 * @returns True if the class is marked as passive; false otherwise.
 */
export declare function isPassive(target: Function): boolean;
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