declare const n1 = "number";
declare const n2 = "number, number";
/** Return true if `x` is 0 or NaN. */
export declare function notNumber(x: number): boolean;
export declare namespace notNumber {
    export { n1 as signature };
}
/** Return true if `x` or `y` is truthy (not 0 and not NaN). */
export declare function orNumber(x: number, y: number): boolean;
export declare namespace orNumber {
    export { n2 as signature };
}
/** Return true if exactly one of `x` and `y` is truthy (not 0 and not NaN). */
export declare function xorNumber(x: number, y: number): boolean;
export declare namespace xorNumber {
    export { n2 as signature };
}
/** Return true if `x` and `y` are both truthy (not 0 and not NaN). */
export declare function andNumber(x: number, y: number): boolean;
export declare namespace andNumber {
    export { n2 as signature };
}
export {};
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