export declare function oops(msg: string): never;
export declare function assert(cond: boolean, msg?: string): void;
export declare function assertRange(min: number, v: number, max: number, desc?: string): void;
export declare function strlen(s: string): number;
export declare function snakify(s: string): string;
export declare function camelize(name: string): string;
export declare function upperFirst(name: string): string;
export declare function lowerFirst(r: string): string;
export declare function upperCamel(name: string): string;
export declare function addUnique<T>(arr: T[], v: T): number;
export declare function numSetBits(n: number): number;
export declare function TODO(msg?: string): never;
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