import { type CadenceConfig } from '@manehorizons/cadence-types';
import type { EditableField } from './fields.js';
/** Set a nested value by path, creating intermediate objects. Lifted from config.ts. */
export declare function setPath(obj: Record<string, unknown>, path: string[], value: unknown): void;
/** Read a nested value by path, or undefined. Lifted from config.ts. */
export declare function getPath(obj: Record<string, unknown>, path: string[]): unknown;
/** Coerce a raw string to bool/number/JSON/string. Lifted from config.ts (unchanged). */
export declare function coerce(raw: string): unknown;
/** Apply a dottedKey→value answer map onto a clone of `config`. Pure. */
export declare function assembleConfig(config: CadenceConfig, answers: Map<string, string>): unknown;
/** A single old→new change for the confirm summary. */
export interface ConfigChange {
    key: string;
    from: string;
    to: string;
}
/** List only the curated keys whose value changed between `oldCfg` and `candidate`. */
export declare function diffConfig(oldCfg: CadenceConfig, candidate: unknown, fields: EditableField[]): ConfigChange[];
/** Validation outcome — either the parsed config or the offending field + message. */
export type ValidationResult = {
    ok: true;
    config: CadenceConfig;
} | {
    ok: false;
    field: string;
    message: string;
};
/** Validate a candidate against the schema, naming the offending field on failure. */
export declare function validateCandidate(candidate: unknown): ValidationResult;
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