/**
 * Increases a bijective base-26 number by 1
 * @param input {string} string containing only uppercase letters
 * @returns {string} Bijective base-26 input + 1
 * @Example bb26Decrement("A") //"B"
 * @Example bb26Decrement("Z") //"AA"
 */
export declare function bb26Increment(input: string): string;
export declare function bb26IncrementNoCheck(input: string): string;
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