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@stringsync/vexml

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MusicXML to Vexflow

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export declare function assertNotNull<T>(value: T, msg?: string): asserts value is Exclude<T, null>; export declare function assertNull(value: any, msg?: string): asserts value is null; export declare function assertDefined<T>(value: T, msg?: string): asserts value is Exclude<T, undefined>; export declare function assert(condition: any, msg?: string): asserts condition; export declare function assertUnreachable(): never;