export declare function isString(value: any): value is string;
export declare const camelize: (str: string) => string;
export declare const camelCase: (str: string) => string;
export declare const hyphenate: (str: string) => string;
export declare const capitalize: (str: string) => string;
export declare const uncapitalize: (str: string) => string;
export declare const pascalCase: (str: string) => string;
export declare const kebabCase: (str: string) => string;
export declare function isKebabCase(str: string): boolean;
export declare function isPascalCase(str: string): boolean;
export declare function isCamelCase(str: string): boolean;
export declare function generateUUID(): string;
export declare function ucfirst(str: string): string;
export declare function lcfirst(str: string): string;
export declare function trimIndent(content: string): string;
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