import type { ScoreResult } from './types.js';
/** True when the .faf text's `project.type` line carries faf's
 *  `# found: no classifying signals — fallback` note: the type is the
 *  `library` detection fell back to, not a fact, and decides no slot. */
export declare function typeIsFallback(text: string): boolean;
/** Which hint lines {@link typedNoneHints} gives. */
export interface TypedNoneHintOptions {
    /** Also give the line for a slot the app-type leaves out (default true).
     *  `faf auto` passes false: by then it has marked those slots. */
    outOfType?: boolean;
}
/**
 * One line for each slot that `result` scores as empty and that holds typed
 * words, by the file's app-type (`project.type`):
 *   - a slot the app-type needs:
 *     `<slot> says '<words>' — this app-type needs it, so it counts as empty until filled.`
 *   - a slot the app-type leaves out (before `faf auto` has run):
 *     `<slot> says '<words>' — this app-type doesn't use it; faf auto marks it slotignored.`
 * A file whose type faf does not know, or whose type is the `library`
 * detection fell back to (see {@link typeIsFallback}), gives the first line
 * for the slots a library needs (as faf's detection reads such a file) and no
 * second line. Reads `yaml` only; nothing is written. YAML that does not parse
 * to a mapping gives no lines.
 */
export declare function typedNoneHints(yaml: string, result: Pick<ScoreResult, 'slots'>, opts?: TypedNoneHintOptions): string[];