import * as i0 from "@angular/core";
export declare class SdInvalid {
    invalidMessage: import("@angular/core").InputSignal<string>;
    constructor();
    static ɵfac: i0.ɵɵFactoryDeclaration<SdInvalid, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SdInvalid, "[sdInvalid]", never, { "invalidMessage": { "alias": "sdInvalid"; "required": true; "isSignal": true; }; }, {}, never, never, true, never>;
}
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