How to use the cligj.projection_projected_opt function in cligj

    @cligj.projection_projected_opt
    @cligj.projection_mercator_opt
    def cmd(projection):
        click.echo("%s" % projection)

@cligj.projection_projected_opt
@options.sequence_opt
@cligj.use_rs_opt
@cligj.geojson_type_feature_opt(True)
@cligj.geojson_type_bbox_opt(False)
@click.option('--band/--mask', default=True,
              help="Choose to extract from a band (the default) or a mask.")
@click.option('--bidx', 'bandidx', type=int, default=None,
              help="Index of the band or mask that is the source of shapes.")
@click.option('--sampling', type=int, default=1,
              help="Inverse of the sampling fraction; "
                   "a value of 10 decimates.")
@click.option('--with-nodata/--without-nodata', default=False,
              help="Include or do not include (the default) nodata regions.")
@click.option('--as-mask/--not-as-mask', default=False,
              help="Interpret a band as a mask and output only one class of "
                   "valid data shapes.")

@projection_projected_opt
@projection_mercator_opt
@click.option(
    '--dst-crs', default='', metavar="EPSG:NNNN", callback=to_lower,
    help="Output in specified coordinates.")
@options.sequence_opt
@use_rs_opt
@geojson_type_collection_opt(True)
@geojson_type_feature_opt(False)
@geojson_type_bbox_opt(False)
@click.pass_context
def bounds(ctx, input, precision, indent, compact, projection, dst_crs,
           sequence, use_rs, geojson_type):
    """Write bounding boxes to stdout as GeoJSON for use with, e.g.,
    geojsonio

      $ rio bounds *.tif | geojsonio

@cligj.projection_projected_opt
@cligj.sequence_opt
@cligj.use_rs_opt
@click.option(
    '--bidx', type=click.INT, default=0,
    help="Index of the band that is the source of shapes.")
@click.pass_context
def blocks(
        ctx, input, output, precision, indent, compact, projection, sequence,
        use_rs, bidx):

    """Write dataset blocks as GeoJSON features.

    This command writes features describing a raster's internal blocks, which
    are used directly for raster I/O.  These features can be used to visualize
    how a windowed operation would operate using those blocks.

@projection_projected_opt
@projection_mercator_opt
@click.option(
    '--dst-crs', default='', metavar="EPSG:NNNN", callback=to_lower,
    help="Output in specified coordinates.")
@sequence_opt
@use_rs_opt
@geojson_type_collection_opt(True)
@geojson_type_feature_opt(False)
@geojson_type_bbox_opt(False)
@click.pass_context
def bounds(ctx, input, precision, indent, compact, projection, dst_crs,
           sequence, use_rs, geojson_type):
    """Write bounding boxes to stdout as GeoJSON for use with, e.g.,
    geojsonio

      $ rio bounds *.tif | geojsonio

@projection_projected_opt
@projection_mercator_opt
@sequence_opt
@use_rs_opt
@geojson_type_collection_opt(True)
@geojson_type_feature_opt(False)
@geojson_type_bbox_opt(False)
@click.pass_context
def bounds(ctx, input, precision, indent, compact, projection, sequence,
        use_rs, geojson_type):
    """Write bounding boxes to stdout as GeoJSON for use with, e.g.,
    geojsonio

      $ rio bounds *.tif | geojsonio

    """
    import rasterio.warp

@projection_projected_opt
@sequence_opt
@use_rs_opt
@geojson_type_feature_opt(True)
@geojson_type_bbox_opt(False)
@click.option('--band/--mask', default=True,
              help="Choose to extract from a band (the default) or a mask.")
@click.option('--bidx', 'bandidx', type=int, default=None,
              help="Index of the band or mask that is the source of shapes.")
@click.option('--sampling', type=int, default=1,
              help="Inverse of the sampling fraction; "
                   "a value of 10 decimates.")
@click.option('--with-nodata/--without-nodata', default=False,
              help="Include or do not include (the default) nodata regions.")
@click.option('--as-mask/--not-as-mask', default=False,
              help="Interpret a band as a mask and output only one class of "
                   "valid data shapes.")