import { INTRINSIC_MARKER, type Intrinsic } from "./intrinsic.js";
/**
 * Reference to an attribute of a parent entity.
 * Lexicon serializers read `getLogicalName()` and `attribute` to produce
 * their own output format (e.g. CloudFormation `Fn::GetAttr`).
 */
export declare class AttrRef implements Intrinsic {
    readonly [INTRINSIC_MARKER]: true;
    readonly parent: WeakRef<object>;
    readonly attribute: string;
    private logicalName?;
    constructor(parent: object, attribute: string);
    /**
     * Set the logical name for this attribute reference
     * @internal
     */
    _setLogicalName(name: string): void;
    /**
     * Get the logical name assigned to this attribute reference.
     */
    getLogicalName(): string | undefined;
    /**
     * Serialize to a generic envelope. Lexicon-specific serializers should
     * read `getLogicalName()` and `attribute` directly instead of relying
     * on this format.
     * @throws {Error} If logical name has not been set
     */
    toJSON(): {
        __attrRef: {
            entity: string;
            attribute: string;
        };
    };
}
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