import * as i0 from "@angular/core";
/**
 * Vertical layout primitive — children stack top-to-bottom with `space` gap.
 * Mirrors the React `<Stack>` component / vanilla `.aia-stack` CSS primitive.
 *
 * @internal
 */
export declare class StackComponent {
    /** Gap between children. Any CSS length. Defaults to the CSS fallback (0.5rem). */
    space?: string;
    /** Cross-axis alignment of children. Defaults to `stretch` (full width). */
    align: "start" | "center" | "end" | "stretch";
    static ɵfac: i0.ɵɵFactoryDeclaration<StackComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<StackComponent, "aia-stack", never, { "space": "space"; "align": "align"; }, {}, never, ["*"], true, never>;
}
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