import type { UserData } from "@sudobility/testomniac_types";
export declare class UnresolvedVariableError extends Error {
    readonly variablePath: string;
    constructor(variablePath: string);
}
/** Variable paths referenced in `input` (in order of appearance). */
export declare function findVariablePaths(input: string): string[];
/**
 * Replace every {dotted.path} token in `input` with its value from `userData`.
 * Strings with no token are returned unchanged. A missing/undefined leaf throws
 * UnresolvedVariableError. Non-string leaves are coerced with String().
 */
export declare function resolveVariables(input: string, userData: UserData | undefined): string;
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