board.searchLabels method I think calls an incorrect endpoint
searchLabels: trelloMethod({ method: 'GET', path: '/{id}/customLabels', urlParams: [ 'id' ] }),
path should be '/{id}/labels' base on API documentation
https://developer.atlassian.com/cloud/trello/rest/api-group-boards/#api-boards-id-labels-get
board.searchLabelsmethod I think calls an incorrect endpointsearchLabels: trelloMethod({ method: 'GET', path: '/{id}/customLabels', urlParams: [ 'id' ] }),path should be
'/{id}/labels'base on API documentationhttps://developer.atlassian.com/cloud/trello/rest/api-group-boards/#api-boards-id-labels-get