kotlin-node/karakum/src/jsMain/kotlin/node/karakum/injections/EventInjection.kt [270:302]:
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    ensure(isParameter(parameter))

    val parameterName = parameter.name
    ensure(isIdentifier(parameterName))
    ensure(parameterName.text == "event")

    val method = ensureNotNull(
        nullable {
            val method = ensureNotNull(parameter.getParentOrNull())
            ensure(isMethodDeclaration(method))

            val methodName = ensureNotNull(method.name)
            ensure(isIdentifier(methodName))
            ensure(methodName.text == "addListener")

            val classNode = ensureNotNull(method.getParentOrNull())
            ensure(isClassDeclaration(classNode))

            method
        } ?: nullable {
            val method = ensureNotNull(parameter.getParentOrNull())
            ensure(isMethodSignature(method))

            val methodName = ensureNotNull(method.name)
            ensure(isIdentifier(methodName))
            ensure(methodName.text == "addListener")

            val interfaceNode = ensureNotNull(method.getParentOrNull())
            ensure(isInterfaceDeclaration(interfaceNode))

            method
        }
    )
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kotlin-node/karakum/src/jsMain/kotlin/node/karakum/injections/EventMapInjection.kt [124:156]:
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    ensure(isParameter(parameter))

    val parameterName = parameter.name
    ensure(isIdentifier(parameterName))
    ensure(parameterName.text == "event")

    val method = ensureNotNull(
        nullable {
            val method = ensureNotNull(parameter.getParentOrNull())
            ensure(isMethodDeclaration(method))

            val methodName = ensureNotNull(method.name)
            ensure(isIdentifier(methodName))
            ensure(methodName.text == "addListener")

            val classNode = ensureNotNull(method.getParentOrNull())
            ensure(isClassDeclaration(classNode))

            method
        } ?: nullable {
            val method = ensureNotNull(parameter.getParentOrNull())
            ensure(isMethodSignature(method))

            val methodName = ensureNotNull(method.name)
            ensure(isIdentifier(methodName))
            ensure(methodName.text == "addListener")

            val interfaceNode = ensureNotNull(method.getParentOrNull())
            ensure(isInterfaceDeclaration(interfaceNode))

            method
        }
    )
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