Is check string is valid enum.

Parse string to enum.

RAML parser cache directory, type: string, default: "".

RAML parser should check RAML version or not, type: bool, default: false.

options pass to CheckValueAPIType, type: []CheckValueOption, default: []CheckValueOption{}.

show RAML data when error occur, set < 0 to disable, type: int64, default: 4.

RAML parser should ignore unused annotations, type: bool, default: false.

RAML parser should ignore unused traits, type: bool, default: false.

Enum main type.