import { BoxGraph } from "@opendaw/lib-box";
import { Attempt, int } from "@opendaw/lib-std";
export declare namespace Validator {
    const isTimeSignatureValid: (numerator: int, denominator: int) => Attempt<[int, int], string>;
    const clampBpm: (bpm: number) => number;
    const clampBaseFrequency: (hz: number) => number;
    const hasOverlappingRegions: (boxGraph: BoxGraph) => boolean;
}
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