import type { RefResolver } from "./pin.js";
/** Options shared by the `writeOrLint` methods of workflows and actions. */
export interface WriteOrLintOptions {
    filePath: URL;
    header?: string;
    pinDeps?: boolean | {
        resolve: RefResolver;
    };
}
/**
 * Writes the generated YAML to `options.filePath`, or with `--lint` compares it
 * against the file already there and exits non-zero when they differ.
 *
 * With `pinDeps` (the default), `uses:` references are pinned to commit hashes
 * on write, reusing the hashes recorded in the existing file unless
 * `--update-pins` is passed.
 */
export declare function writeOrLintYaml(expected: string, options: WriteOrLintOptions): void;
/**
 * Gets if `writeOrLint` will lint the generated files instead of writing them
 * (`--lint`). Useful for skipping work in a script that only makes sense when
 * generating.
 */
export declare const isLinting: boolean;
/**
 * Gets if `writeOrLint` will re-resolve every pinned action instead of reusing
 * the hashes in the existing file (`--update-pins`).
 */
export declare const isUpdatingPins: boolean;
/** The command line flags that gagen reads. */
export declare const KNOWN_FLAGS: readonly string[];
/**
 * Exits with an error when the command line has a flag gagen does not know
 * about.
 *
 * Since gagen decides whether to write or lint from the process' flags, a
 * typo like `--lnit` would otherwise be indistinguishable from no flag at all
 * and would silently overwrite the generated files it was meant to check.
 */
export declare function assertKnownFlags(args?: readonly string[]): void;
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