export declare const STRING_FUNCTION: {
    TRIM: typeof TRIM;
    IS_BLANK: typeof IS_BLANK;
    STARTS_WITH: typeof STARTS_WITH;
    ENDS_WITH: typeof ENDS_WITH;
    CONTAINS: typeof CONTAINS;
    STR_LIST_CONTAINS: typeof STR_LIST_CONTAINS;
    LOWER: typeof LOWER;
    UPPER: typeof UPPER;
    REPLACE: typeof REPLACE;
    LEN: typeof LEN;
    JOIN: typeof JOIN;
    PARSE: typeof JSON_PARSE;
    JSON: typeof JSON_STRINGIFY;
    SUBSTRING: typeof SUBSTRING;
    NOT_CONTAINS: typeof NOT_CONTAINS;
    SUBSTRING_END: typeof SUBSTRING_END;
    SPLIT: typeof SPLIT;
    INDEXOF: typeof INDEXOF;
};
declare function TRIM(str: string): string;
declare function IS_BLANK(str: string): boolean;
declare function STARTS_WITH(str: string, start: string): boolean;
declare function ENDS_WITH(str: string, end: string): boolean;
declare function CONTAINS(str: string, subtext: string): boolean;
declare function STR_LIST_CONTAINS(str: string, obj: Record<string, unknown>, field: string): boolean;
declare function LOWER(str: string): string;
declare function UPPER(str: string): string;
declare function REPLACE(str: string, oldStr: string, newStr: string): string;
declare function LEN(str: string): number;
declare function JOIN(str: string, join: string): string;
declare function JSON_PARSE(str: string): any;
declare function JSON_STRINGIFY(obj: unknown): string | null | undefined;
declare function SUBSTRING(str: string, start: number, end: number): string;
declare function NOT_CONTAINS(text: string, subtext: string): boolean;
declare function SUBSTRING_END(text: string, start: number): string | null;
declare function SPLIT(text: string, separator: string): string[] | null;
declare function INDEXOF(text: string, search: string): number | null;
export {};