default SchemaName getChildSchemaName(String key) {
		if (KeyPath.isIndex(key)) {
			return getElementSchema(KeyPath.parseIndex(key));
		}
		return getAttributeSchema(key).getSchema();
	}
Get the named schema for a child having the given key

@param key the key
@return the named schema
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/model/target/schema/TraceObjectSchema.java