/**
 * Character length constraints supported by the library.
 */
export type Size = 2 | 3 | 4;
/**
 * Valid syllable structures.
 * 'C' represents a Consonant, and 'V' represents a Vowel.
 */
export type Pattern = 'CV' | 'VC' | 'CVC' | 'VCV' | 'CVV' | 'VVC' | 'CCV' | 'VCC' | 'CVCV' | 'VCVC' | 'CVVC' | 'VCCV' | 'CCVV' | 'VVCC' | 'CCVC' | 'CVCC';
/**
 * Single-call configuration parameters passed as an alternative to chaining.
 */
export interface Options {
    /** The total number of words to generate. */
    results?: number;
    /** A strict Consonant/Vowel layout constraint. */
    pattern?: Pattern;
    /** When true, freezes the generated results from further alterations. */
    lock?: boolean;
}
export declare const VOWELS: readonly ['a', 'e', 'i', 'o', 'u'];
export declare const CONSONANTS: readonly ['b', 'c', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'm', 'n', 'p', 'q', 'r', 's', 't', 'v', 'w', 'x', 'y', 'z'];
/**
 * Syllable structures grouped by word size.
 * Used when no explicit pattern is specified.
 */
export declare const DEFAULTS: Record<Size, Pattern[]>;
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