// Special conditions required by MinIO server are as below
//   - delimiter if set should be equal to '/', otherwise the request is rejected.
//   - marker if set should have a common prefix with 'prefix' param, otherwise
//     the request is rejected.
func validateListObjectsArgs(prefix, marker, delimiter, encodingType string, maxKeys int) APIErrorCode {
	// Max keys cannot be negative.
	if maxKeys < 0 {

     * @param externalRepositories The external (and already mirrored) repositories to merge into the result list, may
     *            be {@code null}.
     * @param request The project building request holding further settings like repository settings, must not be
     *            {@code null}.
     * @return The effective artifact repositories, never {@code null}.
     * @throws InvalidRepositoryException

/**
 * Resolves a plugin prefix.
 *
 * @since 3.0
 */
public interface PluginPrefixResolver {

    /**
     * Resolves the plugin prefix for the specified request.
     *
     * @param request The request that holds the details about the plugin and the repositories to consult, must not be
     *            {@code null}.
     * @return The result of the prefix resolution, never {@code null}.

    private void injectSession(ArtifactResolutionRequest request) {
        MavenSession session = legacySupport.getSession();

        if (session != null) {
            request.setOffline(session.isOffline());
            request.setForceUpdate(session.getRequest().isUpdateSnapshots());
            request.setServers(session.getRequest().getServers());
            request.setMirrors(session.getRequest().getMirrors());

        return transformerManager.remapInstallArtifacts(session, request);
    }

    @Override
    public DeployRequest transformDeployArtifacts(RepositorySystemSession session, DeployRequest request) {
        return transformerManager.remapDeployArtifacts(session, request);
    }

	// * a boolean to indicate success/failure of the operation
	// * an error on failure of lock request operation.
	RLock(ctx context.Context, args LockArgs) (bool, error)

	// Do write lock for given LockArgs. It should return
	// * a boolean to indicate success/failure of the operation
	// * an error on failure of lock request operation.
	Lock(ctx context.Context, args LockArgs) (bool, error)

from fastapi import FastAPI, Request
from fastapi.encoders import jsonable_encoder
from fastapi.exceptions import RequestValidationError
from fastapi.responses import JSONResponse
from pydantic import BaseModel

app = FastAPI()


@app.exception_handler(RequestValidationError)
async def validation_exception_handler(request: Request, exc: RequestValidationError):
    return JSONResponse(
        status_code=422,

    """
    A file uploaded in a request.

    Define it as a *path operation function* (or dependency) parameter.

    If you are using a regular `def` function, you can use the `upload_file.file`
    attribute to access the raw standard Python file (blocking, not async), useful and
    needed for non-async code.

    Read more about it in the

	// request to get next set of objects. Server lists objects in alphabetical
	// order Note: This element is returned only if you have delimiter request parameter
	// specified. If response does not include the NextMaker and it is truncated,
	// you can use the value of the last Key in the response as the marker in the
	// subsequent request to get the next set of object keys.

    @Override
    public MetadataGenerator newInstance(RepositorySystemSession session, InstallRequest request) {
        return new PluginsMetadataGenerator(session, request);
    }

    @Override
    public MetadataGenerator newInstance(RepositorySystemSession session, DeployRequest request) {
        return new PluginsMetadataGenerator(session, request);
    }

    @Override
    public float getPriority() {