Start of a patch to the docs schema for module argspec

argspec-in-doc.patch

diff --git a/antsibull/schemas/docs/module.py b/antsibull/schemas/docs/module.py
index d795550..ebaf2ba 100644
--- a/antsibull/schemas/docs/module.py
+++ b/antsibull/schemas/docs/module.py
@@ -12,7 +12,15 @@ from .base import BaseModel, DocSchema, OptionsSchema
 from .plugin import PluginExamplesSchema, PluginMetadataSchema, PluginReturnSchema
 
 
-class InnerModuleOptionsSchema(OptionsSchema):
+class ArgSpecModifiersSchema(BaseModel):
+    mutually_exclusive: t.Sequence[p.conlist(item_type=str, min_items=2)] = []
+    required_together: t.Sequence[p.conlist(item_type=str, min_items=2)] = []
+    required_one_of: t.Sequence[p.conlist(item_type=str, min_items=2)] = []
+    required_if: t.Squence[p.conlist(item_type=str, min_items=3, max_items=4)]
+    required_by: t.Mapping[str: t.Any]  # Need to fix this.  This is the voluptuous definition Schema({str: Any(list_string_types, tuple_string_types, *string_types)})
+
+
+class InnerModuleOptionsSchema(OptionsSchema, ArgSpecModifiersSchema):
     suboptions: t.Dict[str, 'InnerModuleOptionsSchema'] = {}
 
     @p.root_validator(pre=True)
@@ -26,11 +34,11 @@ class InnerModuleOptionsSchema(OptionsSchema):
 InnerModuleOptionsSchema.update_forward_refs()
 
 
-class ModuleOptionsSchema(OptionsSchema):
+class ModuleOptionsSchema(OptionsSchema, ArgSpecModifiersSchema):
     suboptions: t.Dict[str, 'InnerModuleOptionsSchema'] = {}
 
 
-class OuterModuleDocSchema(DocSchema):
+class OuterModuleDocSchema(DocSchema, ArgSpecModifiersSchema):
     options: t.Dict[str, ModuleOptionsSchema] = {}
     has_action: bool = False