/**
 * GitLab CI/CD intrinsic functions.
 *
 * GitLab CI has a single intrinsic: the !reference tag.
 * CI/CD variables ($CI_*) are just strings, not intrinsic functions.
 */
import { INTRINSIC_MARKER, type Intrinsic } from "@intentius/chant/intrinsic";
/**
 * !reference tag intrinsic.
 * References another job's properties: !reference [job_name, key]
 */
export declare class ReferenceIntrinsic implements Intrinsic {
    readonly [INTRINSIC_MARKER]: true;
    private path;
    constructor(...path: string[]);
    toJSON(): string[];
    /**
     * YAML representation uses the !reference tag.
     */
    toYAML(): {
        tag: "!reference";
        value: string[];
    };
}
/**
 * Create a !reference intrinsic.
 * Usage: reference("job_name", "script") → !reference [job_name, script]
 */
export declare function reference(...path: string[]): ReferenceIntrinsic;
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